definitions.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "Definitions of OCDS elements",
  "type": "object",
  "definitions": {
    "Implementation": {
      "type": "object",
      "title": "Implementation",
      "description": "Information during the performance / implementation stage of the contract.",
      "properties": {
        "transactions": {
          "title": "Transactions",
          "description": "A list of the spending transactions made against this contract as an array of [Transaction]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Transaction"
          },
          "uniqueItems": true
        },
        "milestones": {
          "title": "Milestones",
          "description": "A list of milestones associated with the implementation as an array of [Milestone]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Milestone"
          },
          "uniqueItems": true
        },
        "documents": {
          "title": "Documents",
          "description": "Documents and reports that are part of the implementation as an array on [Document]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          },
          "uniqueItems": true
        },
        "financialProgress": {
          "title": "Financial progress",
          "description": "The financial progress section allows high-level and detailed information on amounts committed or spent to date for this particular contract. This may be used alongside the transactions section, which allows for details of each individual payment to be recorded.",
          "type": "object",
          "properties": {
            "totalSpend": {
              "title": "Total spend",
              "description": "The total spend on this contract at the date of last update published as [Value]",
              "$ref": "#/definitions/Value"
            },
            "measures": {
              "title": "Measures",
              "description": "An aggregated financial progress figures for this contract. Measures must be provided as a set of key-value pairs, where the key should be the name of the measure used within a related Fiscal Data Package dataset or other budget and spending dataset. The value is the value of this measure when last updated, and must be provided as a number in the same default currency as any aggregate reported budget or spending figures.",
              "type": "object"
            },
            "breakdown": {
              "title": "Financial progress breakdown",
              "description": "This section contains a breakdown of financial progress, allowing various measures (amount invoiced, amount accrued, amount paid etc.) to be disaggregated by source, period and budget classification. Publishes as an array of [FinancialProgressBreakdown]",
              "type": "array",
              "items": {
                "$ref": "#/definitions/FinancialProgressBreakdown"
              }
            }
          }
        },
        "endDate": {
          "title": "End date",
          "description": "The date when contract implementation ended. This must only be provided when contract implementation is complete. Where `implementation/endDate` varies from the anticipated `contract/period/endDate` an explanation of the variance should be provided in `implementation/endDateDetails`.",
          "format": "date-time",
          "type": [
            "string",
            "null"
          ]
        },
        "endDateDetails": {
          "title": "End date details",
          "description": "Details related to the endDate. This may be a justification for the contract's completion date being different than in the original contract.",
          "type": [
            "string",
            "null"
          ]
        },
        "finalValue": {
          "$ref": "#/definitions/Value",
          "title": "Final value",
          "description": "The total value of all payments for a completed contract. This should only be provided when the final payment has been recorded. If `implementation/transactions` are used for this contract, this field should equal the sum of the `transaction/value/amount` fields. Where `finalValue/amount` varies from `contract/value/amount` an explanation of the variance should be provided in `finalValueDetails`. Publishes as [Value]"
        },
        "finalValueDetails": {
          "title": "Final  value details",
          "description": "Details related to the final value. This may be a justification for the completed contract's value being different than in the original contract.",
          "type": [
            "string",
            "null"
          ]
        },
        "performanceFailures": {
          "title": "Performance failure disclosures",
          "description": "An array of [PerformanceFailure] disclosures, detailing performance failures for different periods and categories.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/PerformanceFailure"
          },
          "uniqueItems": true
        },
        "metrics": {
          "type": "array",
          "title": "Metrics",
          "description": "Reported results from the delivery of the contracted goods, works or services described with an array of [Metrics]",
          "items": {
            "$ref": "#/definitions/Metric"
          },
          "uniqueItems": true
        },
        "status":{
          "title":"Implementation status",
          "descrition":"The current status of the contract implementation based on the implementationStatuscodelist.",
          "type":"string",
          "codelist":"https://extensions.open-contracting.org/en/extensions/implementationStatus/master/codelists/"
        }
      }
    },
    "Enquiry": {
      "type": "object",
      "title": "Enquiry",
      "description": "Question related to this contracting process, generally sent during the enquiry period.",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "A unique identifier for the enquiry.",
          "type": [
            "string",
            "null"
          ]
        },
        "date": {
          "type": [
            "string",
            "null"
          ],
          "title": "Date",
          "description": "The date the enquiry was received or processed.",
          "format": "date-time"
        },
        "author": {
          "title": "Question author",
          "description": "The [OrganizationReference] of the party asking this question.",
          "$ref": "#/definitions/OrganizationReference"
        },
        "title": {
          "title": "Question title",
          "description": "The subject line of the question.",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Description",
          "description": "The body of the question.",
          "type": [
            "string",
            "null"
          ]
        },
        "answer": {
          "title": "Answer",
          "description": "The answer to this question, when available.",
          "type": [
            "string",
            "null"
          ]
        },
        "dateAnswered": {
          "title": "Date answered",
          "description": "The date the answer to the question was provided.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "relatedItem": {
          "title": "Related item",
          "description": "If this question relates to a specific line-item, this field contains the line-item identifier.",
          "type": [
            "string",
            "null"
          ]
        },
        "relatedLot": {
          "title": "Related lot",
          "description": "Where lots are used, if this question relates to a specific lot, this field contains the lot identifier.",
          "type": [
            "string",
            "null"
          ]
        },
        "threadID": {
          "title": "Thread identifier",
          "description": "If this question and answer forms part of a discussion thread (e.g. the question is a follow up to a previous answer) an optional thread identifier can be used to associate together multiple enquiries.",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "Metric": {
      "type": "object",
      "title": "Metric",
      "description": "Metrics are used to set out targets and results from a contracting process. During the planning and tender sections, a metric indicates the anticipated results. In award and contract sections it indicates the awarded/contracted results. In the implementation section it is used to provide updates on actually delivered results, also known as outputs.",
      "required": [
        "id"
      ],
      "doc":{
        "inheritance": {
          "fe-forecasts": {
            "description": "",
            "validationRules":{
              "VR-Metric.FE-Forecasts-001":{
                "relatesTo":"relatedItem",
                "rule":"Specified value found in an array of relevant schema-elements (lots/items)"
              },
              "VR-Metric.FE-Forecasts-002":{
                "relatesTo":"observations",
                "rule":"At least one observation described for this metric"
              },
              "VR-Metric.FE-Forecasts-003":{
                "relatesTo":"relatesTo",
                "rule":"Specified value is either 'lot' or 'item'"
              }
            },
            "properties": {
              "id":{
                "description": "An identifier for this metric drawn from a codelist",
                "mandatory": true,
                "source": "System"
              },
              "description": {
                "description": "Any free-text description from PE while preparing this metric of forecast",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "relatesTo": {
                "mandatory": false,
                "source": "Procuring Entity",
                "description": "The schema element that the metric relates. For example observation may be defined against items or against lot."
              },
              "relatedItem": {
                "description": "This field must be populated with the id of the item in this tender section which the metric relates to",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "observations": {
                "description": "An array of [Observation] for this metric",
                "mandatory": true,
                "source": "Procuring Entity"
              }
            }
          },
          "position": {
            "description": "",
            "validationRules":{
              "VR-Metric.Position-001":{
                "relatesTo":"relatedItem",
                "rule":"Specified value found in an array of items from this initiation"
              },
              "VR-Metric.Position-002":{
                "relatesTo":"observations",
                "rule":"At least one observation described for this metric"
              },
              "VR-Metric.Position-003":{
                "relatesTo":"relatesTo",
                "rule":"Specified value is 'item'"
              }
            },
            "properties": {
              "id":{
                "description": "An identifier for this metric drawn from a codelist",
                "mandatory": true,
                "source": "System"
              },
              "description": {
                "description": "Any free-text description from PE while preparing this target for the item",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "relatesTo": {
                "mandatory": false,
                "source": "Procuring Entity",
                "description": "The schema element that the target relates. For this class - 'item' by default"
              },
              "relatedItem": {
                "description": "This field must be populated with the id of the item in this tender section which the target relates to",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "observations": {
                "description": "An array of [Observation] for this target",
                "mandatory": true,
                "source": "Procuring Entity"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "An identifier for this metric. In some cases this may be drawn from a codelist of metrics required for this type of contracting process, or in other instances may be an arbitrary identifier.",
          "type": [
            "string"
          ],
          "minLength": 1
        },
        "title": {
          "title": "Title",
          "description": "The title of this metric",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Description",
          "description": "A short description of the metric. This may include short details of measurement methods.",
          "type": [
            "string",
            "null"
          ]
        },
        "relatesTo": {
          "description": "The schema element that the metric relates. For example observation may be defined against items or against lot.",
          "type": "string",
          "enum": [
            "item",
            "tenderer"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "relatedItem": {
          "description": "This field must be populated with the id of the item in this tender section which the metric relates to",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "observations": {
          "type": "array",
          "title": "Observations",
          "description": "An array of [Observation]: target or actual values for this metric.",
          "items": {
            "$ref": "#/definitions/Observation"
          },
          "uniqueItems": true
        }
      }
    },
    "Observation": {
      "type": "object",
      "title": "Observation",
      "description": "An actual or target observation. Observations should include either a value (for financial metrics) or measure (for other metrics). ",
      "required": [
        "id"
      ],
      "doc":{
        "inheritance": {
          "@": {
            "description": "",
            "validationRules":{
              "VR-Observation.@-001":{
                "relatesTo":"relatedRequirementID",
                "rule":"Specified value found in an array of relevant schema-elements ('requirements') of this initiation"
              }
            },
            "properties": {
              "id":{
                "description": "An identifier for this observation",
                "mandatory": true,
                "source": "System"
              },
              "period":{
                "description": "The [Period] over which this observation is measured",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "value":{
                "description": "For financial metrics, the [Value] of this forecast, target or actual observation.",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "measure":{
                "description": "For non-financial metrics, the measure of this forecast, target or actual observation. Measures may be provided as free text or numerical values.",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "unit":{
                "description": "Unit of measure for this observation",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "dimensions":{
                "description": "Any number of dimensions can be recorded within this object. Dimensions names should follow the camelCase conventions of OCDS",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "notes":{
                "description": "Any notes on this observation",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "relatedRequirementID":{
                "description": "The [RequirementReference] of the requirement which the observation is applicable to",
                "mandatory": false,
                "source": "Procuring Entity"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "A local identifier for this specific observation. This may be an arbitrary identifier, or could be a composite of the metric identifier, and the date and other dimensions of this observation.",
          "type": "string",
          "minLength": 1
        },
        "period": {
          "title": "Period",
          "description": "The [Period] over which this observation is measured.",
          "$ref": "#/definitions/Period"
        },
        "value": {
          "title": "Value",
          "description": "For financial metrics, the [Value] of this forecast, target or actual observation.",
          "$ref": "#/definitions/Value"
        },
        "measure": {
          "title": "Measure",
          "description": "For non-financial metrics, the measure of this forecast, target or actual observation. Measures may be provided as free text or numerical values.",
          "type": [
            "string",
            "number",
            "null"
          ]
        },
        "unit": {
          "type": "object",
          "title": "Unit",
          "description": "Unit",
          "properties": {
            "name": {
              "type": [
                "string",
                "null"
              ],
              "title": "Unit name",
              "description": "The name of the unit."
            },
            "scheme": {
              "title": "Scheme",
              "description": "The list from which units of measure identifiers are taken. This should be an entry in the unitClassificationScheme codelist. Use of the scheme 'UNCEFACT' for the UN/CEFACT Recommendation 20 list of 'Codes for Units of Measure Used in International Trade' is recommended.   ",
              "type": [
                "string",
                "null"
              ],
              "codelist": "unitClassificationScheme.csv",
              "openCodelist": true
            },
            "id": {
              "title": "ID",
              "description": "The identifier from the codelist referenced in the schema property. For example, with UNCEFACT, this is the value of the 'Common Code' column. From this identifier, applications can look-up the human readable name or symbol for this unit of measure. ",
              "type": [
                "string",
                "null"
              ]
            },
            "uri": {
              "title": "URI",
              "description": "If the scheme used provide a machine-readable URI for this unit of measure, this can be given.",
              "type": [
                "string",
                "null"
              ],
              "format": "uri"
            }
          }
        },
        "dimensions": {
          "type": "object",
          "title": "Dimensions",
          "description": "Any number of dimensions can be recorded within this object. Dimensions names should follow the camelCase conventions of OCDS."
        },
        "notes": {
          "title": "Notes",
          "description": "Any notes on this observation. This may include clarifying information.",
          "type": [
            "string",
            "null"
          ]
        },
        "relatedImplementationMilestone": {
          "title": "Related implementation milestone",
          "description": "A [MilestoneReference] to the milestone in the implementation section of OCDS to which this forecast, target or actual observation relates.",
          "$ref": "#/definitions/MilestoneReference"
        },
        "relatedRequirementID": {
          "title": "Related requirement",
          "description": "The [RequirementReference] of the requirement which the observation is applicable to",
          "$ref": "#/definitions/RequirementReference"
        }
      }
    },
    "MilestoneReference": {
      "type": "object",
      "title": "Milestone Reference",
      "description": "A block used to reference a milestone, including the ID and title of the milestone being referenced.",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "title": "Milestone ID",
          "description": "The ID of the milestone being referenced, this must match the ID of a milestone described elsewhere in a release about this contracting process.",
          "type": "string",
          "minLength": 1
        },
        "title": {
          "title": "Milestone title",
          "description": "The title of the milestone being referenced, this must match the title of a milestone described elsewhere in a release about this contracting process.",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "FinancialProgressBreakdown": {
      "type": "object",
      "title": "Financial progress breakdown",
      "description": "This section allows a detailed breakdown of financial progress to be provided, each covering a particular periods, or allocating financial progress against particular funding sources and fiscal classifications.",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "An identifier for this particular financial progress breakdown entry.",
          "type": [
            "string",
            "integer"
          ]
        },
        "description": {
          "title": "Description",
          "description": "A short free text description of this financial progress breakdown. This may be displayed in user interfaces to help users interpret this entry. This may be automatically generated from structured data or may be manually entered.",
          "type": [
            "string",
            "null"
          ]
        },
        "period": {
          "$ref": "#/definitions/Period",
          "title": "Budget period",
          "description": "The [Period] covered by this financial progress breakdown entry. This information may also be duplicated using classifications where relevant."
        },
        "classifications": {
          "title": "Budget classifications",
          "description": "Budget [Classification] must be provided as a set of key-value pairs, where the key is a dimension (or the label of a dimension) used in budget classification, and the value is the value of that dimension for this contracting process or specific contract (depending on the point within an OCDS file at which the classification is provided).",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "measures": {
          "title": "measures",
          "description": "Measures must be provided as a set of key-value pairs, where the key should be the name of the measure used within a related Fiscal Data Package dataset or other budget and spending dataset. The value is the value of this measure when last updated, and must be provided as a number in the same default currency as any aggregate reported budget or spending figures.",
          "type": "object"
        }
      }
    },
    "BudgetBreakdown": {
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "An identifier for this particular budget entry.",
          "mergeStrategy": "ocdsVersion",
          "type": [
            "string",
            "integer"
          ]
        },
        "description": {
          "title": "Description",
          "description": "A short free text description of this budget entry.",
          "mergeStrategy": "ocdsVersion",
          "type": [
            "string",
            "null"
          ]
        },
        "amount": {
          "title": "Amount",
          "description": "The [Value] of the budget line item.",
          "$ref": "#/definitions/Value"
        },
        "uri": {
          "title": "Linked budget information",
          "description": "A URI pointing directly to a machine-readable information about this budget entry.",
          "mergeStrategy": "ocdsVersion",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        },
        "period": {
          "$ref": "#/definitions/Period",
          "title": "Budget period",
          "description": "The [Period] covered by this budget entry."
        },
        "sourceParty": {
          "$ref": "#/definitions/OrganizationReference",
          "title": "Source party",
          "description": "The [OrganizationReference] for Organization or other party related to this budget entry. If the budget amount is positive, this indicates a flow of resources from the party to the contracting process. If the budget amount is negative, it indicates a payment from the contracting process to this party."
        },
        "classifications": {
          "title": "Budget classifications",
          "description": "Budget [Classification] must be provided as a set of key-value pairs, where the key is a dimension (or the label of a dimension) used in budget classification, and the value is the value of that dimension for this contracting process or specific contract (depending on the point within an OCDS file at which the classification is provided).",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "measures": {
          "title": "measures",
          "description": "Measures must be provided as a set of key-value pairs, where the key should be the name of the measure used within a related Fiscal Data Package dataset or other budget and spending dataset. The value is the value of this measure when last updated, and must be provided as a number in the same default currency as any aggregate reported budget or spending figures.",
          "type": "object"
        }
      }
    },
    "BudgetAllocation": {
      "properties": {
        "budgetBreakdownID": {
          "title": "Budget Breakdown Identifier",
          "description": "An identifier for particular budget entry.",
          "mergeStrategy": "ocdsVersion",
          "type": [
            "string",
            "integer"
          ]
        },
        "period": {
          "$ref": "#/definitions/Period",
          "title": "Budget period",
          "description": "The [Period] covered by this budget entry."
        },
        "relatedItem": {
          "title": "Related Item",
          "description": "",
          "type": "string"
        }
      },
      "doc":{
        "inheritance":{
          "@":{
            "description": "",
            "validationRules":{
                "VR-BudgetAllocation.@-001":{
                  "relatesTo":"relatedItem",
                  "rule":"Specified value found in an array of relevant schema-element (lots/items) of the containing parent component tender/contract"
                },
                "VR-BudgetAllocation.@-002":{
                  "relatesTo":"budgetBreakdownID",
                  "rule":"Specified value found in an array of identifiers of related/included BudgetBreakdown elements"
                },
                "VR-BudgetAllocation.@-003":{
                  "relatesTo":"period",
                  "rule":"Specified range is included into period of validity of related BudgetBreakdown element"
                }
              }  
          }
        }
      }
    },
    "BudgetSource": {
      "properties": {
        "budgetBreakdownID": {
          "title": "Budget Breakdown Identifier",
          "description": "An identifier for particular budget entry.",
          "mergeStrategy": "ocdsVersion",
          "type": [
            "string",
            "integer"
          ]
        },
        "amount": {
          "title": "Amount",
          "description": "",
          "type": "number"
        },
        "currency": {
          "title": "Currency",
          "description": "",
          "type": "string"
        }
      }
    },
    "PerformanceFailure": {
      "type": "object",
      "title": "Performance failure disclosure",
      "description": "Details of the performance failures for a given period and category. Details of the associated penalties and abatements provided for in the contract, imposed and paid can also be provided.",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "A local identifier for this specific category and period of performance failure. This field is used to keep track of revisions of a charge across multiple OCDS releases.",
          "type": "string"
        },
        "period": {
          "title": "Performance failure [Period]",
          "description": "The reporting period for these performance failures.",
          "type": [
            "object",
            "null"
          ],
          "$ref": "#/definitions/Period"
        },
        "category": {
          "title": "Performance failure category",
          "description": "The category into which these performance failures fall.",
          "type": [
            "string",
            "null"
          ]
        },
        "events": {
          "title": "Number of events",
          "description": "The number of performance failures for the given period and category.",
          "type": [
            "number",
            "null"
          ]
        },
        "penaltyContracted": {
          "title": "Contracted penalty",
          "description": "A free text description of the penalty or abatement provided for in the contract for this period, category and number of performance failures.",
          "type": [
            "string",
            "null"
          ]
        },
        "penaltyImposed": {
          "title": "Penalty imposed",
          "description": "A free text description of the penalty or abatement imposed for this period, category and number of performance failures.",
          "type": [
            "string",
            "null"
          ]
        },
        "penaltyPaid": {
          "title": "Penalty paid",
          "description": "A yes/no field indicating whether the penalty imposed for this period, category and number of performance failures has been paid.",
          "type": [
            "boolean",
            "null"
          ]
        }
      }
    },
    "Milestone": {
      "title": "Milestone",
      "type": "object",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "title": "ID",
          "description": "A local identifier for this milestone, unique within this block. This field is used to keep track of multiple revisions of a milestone through the compilation from release to record mechanism.",
          "type": [
            "string",
            "integer"
          ]
        },
        "title": {
          "title": "Title",
          "description": "Milestone title",
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "title": "Milestone type",
          "description": "The type of milestone, drawn from an extended [Codelists#Milestone types].",
          "type": [
            "string",
            "null"
          ],
          "codelist": "(http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#milestone-type)",
          "opencodelist": true
        },
        "description": {
          "title": "Description",
          "description": "A description of the milestone.",
          "type": [
            "string",
            "null"
          ]
        },
        "code": {
          "title": "Milestone code",
          "description": "Milestone codes can be used to track specific events that take place for a particular kind of contracting process. For example, a code of 'approvalLetter' could be used to allow applications to understand this milestone represents the date an approvalLetter is due or signed. Milestone codes is an open codelist, and codes should be agreed amoungst data producers and the applications using that data.",
          "type": [
            "string",
            "null"
          ]
        },
        "dueDate": {
          "title": "Due date",
          "description": "The date the milestone is due.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "dateMet": {
          "format": "date-time",
          "title": "Date met",
          "description": "The date on which the milestone was met.",
          "type": [
            "string",
            "null"
          ]
        },
        "dateModified": {
          "title": "Date modified",
          "description": "The date the milestone was last reviewed or modified and the status was altered or confirmed to still be correct.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "status": {
          "title": "Status",
          "description": "The status that was realized on the date provided in dateModified, drawn from the [Codelists#Milestone statuses].",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#milestone-status",
          "openCodelist": false
        },
        "relatedLots": {
          "title": "Related lot(s)",
          "description": "If this milestone relates to a particular lot, provide the identifier(s) of the related lot(s) here.",
          "type": [
            "array"
          ],
          "items": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "relatedParties": {
          "title": "Related Parties",
          "description": "Parties that have a relationship with the milestone as an array of [OrganizationReference]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          }
        },
        "additionalInformation": {
          "title": "Additional information",
          "description": "Additional information about the milestone",
          "type": [
            "string",
            "integer"
          ]
        }
      }
    },
    "Document": {
      "type": "object",
      "title": "Document",
      "description": "Links to, or descriptions of, external documents can be attached at various locations within the standard. Documents may be supporting information, formal notices, downloadable forms, or any other kind of resource that should be made public as part of full open contracting.",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "title": "ID",
          "description": "A local, unique identifier for this document. This field is used to keep track of multiple revisions of a document through the compilation from release to record mechanism.",
          "type": [
            "string",
            "integer"
          ]
        },
        "documentType": {
          "title": "Document type",
          "description": "A classification of the document described taken from the [Codelists#Document types]. Values from the provided codelist should be used wherever possible, though extended values can be provided if the codelist does not have a relevant code.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#document-type",
          "openCodelist": true
        },
        "title": {
          "title": "Title",
          "description": "The document title.",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Description",
          "description": "A short description of the document. We recommend descriptions do not exceed 250 words. In the event the document is not accessible online, the description field can be used to describe arrangements for obtaining a copy of the document.",
          "type": [
            "string",
            "null"
          ]
        },
        "url": {
          "title": "URL",
          "description": " direct link to the document or attachment. The server providing access to this document should be configured to correctly report the document mime type.",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        },
        "datePublished": {
          "title": "Date published",
          "description": "The date on which the document was first published. This is particularly important for legally important documents such as notices of a tender.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "dateModified": {
          "title": "Date modified",
          "description": "Date that the document was last modified",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "format": {
          "title": "Format",
          "description": "The format of the document taken from the [IANA Media Types code list](http://www.iana.org/assignments/media-types/), with the addition of one extra value for 'offline/print', used when this document entry is being used to describe the offline publication of a document. Use values from the template column. Links to web pages should be tagged 'text/html'.",
          "type": [
            "string",
            "null"
          ]
        },
        "language": {
          "title": "Language",
          "description": "Specifies the language of the linked document using either two-digit ISO 639-1 or extended BCP47 language tags.",
          "type": [
            "string",
            "null"
          ]
        },
        "relatedLots": {
          "title": "Related lot(s)",
          "description": "If this document relates to a particular lot, provide the identifier(s) of the related lot(s) here.",
          "type": [
            "array"
          ],
          "items": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "pageStart": {
          "title": "Page start",
          "description": "When the information referenced exists within a large document, indicate the first page on which it can be found. This should refer to the printed page number, not the page number reported by software applications. ",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "pageEnd": {
          "title": "Page end",
          "description": "When the information referenced exists within a large document, indicate the last page on which it can be found. This should refer to the printed page number, not the page number reported by software applications. ",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "accessDetails": {
          "title": "Access details",
          "description": "A description of any special arrangements required to access this document. This may include a requirement to register for document access, a fee to be paid, or the location where documents can be inspected. ",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "author": {
          "title": "Author",
          "description": "The name of the author of these documents. Include the name of individuals and/or organizations responsible. For example, when a technical specification was written by a consultant, include the name and organization of the consultant. ",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        }
      }
    },
    "Budget": {
      "type": "object",
      "title": "Budget information",
      "description": "This section contain information about the budget line, and associated projects, through which this contracting process is funded. It draws upon data model of the [Fiscal Data Package](http://fiscal.dataprotocols.org/), and should be used to cross-reference to more detailed information held using a Budget Data Package, or, where no linked Budget Data Package is available, to provide enough information to allow a user to manually or automatically cross-reference with another published source of budget and project information.",
      "doc":{
        "inheritance": {
          "dps": {
            "description": "",
            "properties": {
              "description": {
                "description": "Any free-text description from PE while aggregating budgets",
                "mandatory": false,
                "source": "Procuring Entity"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "ID",
          "description": "An identifier for the budget line item which provides funds for this contracting process. This identifier should be possible to cross-reference against the provided data source.",
          "type": [
            "string",
            "integer",
            "null"
          ]
        },
        "description": {
          "title": "Budget Source",
          "description": "A short free text description of the budget source. May be used to provide the title of the budget line, or the programme used to fund this project.",
          "type": [
            "string",
            "null"
          ]
        },
        "amount": {
          "title": "Amount",
          "description": "The [Value] of the budget line item. A negative value indicates anticipated income to the budget as a result of this contracting process, rather than expenditure.",
          "type":"object",
          "$ref": "#/definitions/Value"
        },
        "project": {
          "title": "Project title",
          "description": "The name of the project that through which this contracting process is funded (if applicable). Some organizations maintain a registry of projects, and the data should use the name by which the project is known in that registry. No translation option is offered for this string, as translated values can be provided in third-party data, linked from the data source above.",
          "type": [
            "string",
            "null"
          ]
        },
        "projectID": {
          "title": "Project identifier",
          "description": "An external identifier for the project that this contracting process forms part of, or is funded via (if applicable). Some organizations maintain a registry of projects, and the data should use the identifier from the relevant registry of projects.",
          "type": [
            "string",
            "integer",
            "null"
          ]
        },
        "uri": {
          "title": "Linked budget information",
          "description": "A URI pointing directly to a machine-readable record about the budget line-item or line-items that fund this contracting process. Information may be provided in a range of formats, including using IATI, the Open Fiscal Data Standard or any other standard which provides structured data on budget sources. Human readable documents can be included using the planning.documents block.",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        },
        "budgetBreakdown": {
          "type": "array",
          "title": "Budget breakdown",
          "description": "A array of [BudgetBreakdown] of the budget by period and/or participating funders.",
          "items": {
            "$ref": "#/definitions/BudgetBreakdown"
          }
        },
        "budgetAllocation": {
          "type": "array",
          "title": "Budget breakdown",
          "description": "An array of [BudgetAllocation] of the budget",
          "items": {
            "$ref": "#/definitions/BudgetAllocation"
          }
        }
      }
    },
    "Transaction": {
      "type": "object",
      "title": "Transaction information",
      "description": "A spending transaction related to the contracting process. Draws upon the data models of the Fiscal Data Package (http://fiscal.dataprotocols.org/) and the International Aid Transpareny Initiative (http://iatistandard.org/activity-standard/iati-activities/iati-activity/transaction/) and should be used to cross-reference to more detailed information held using a Fiscal Data Package, IATI file, or to provide enough information to allow a user to manually or automatically cross-reference with some other published source of transactional spending data.",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "title": "ID",
          "description": "A unique identifier for this transaction. This identifier should be possible to cross-reference against the provided data source. For IATI this is the transaction reference.",
          "type": [
            "string",
            "integer"
          ]
        },
        "source": {
          "title": "Data source",
          "description": "Used to point either to a corresponding Fiscal Data Package, IATI file, or machine or human-readable source where users can find further information on the budget line item identifiers, or project identifiers, provided here.",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        },
        "date": {
          "title": "Date",
          "description": "The date of the transaction",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "value": {
          "$ref": "#/definitions/Value",
          "title": "Value",
          "description": "The [Value] of the transaction."
        },
        "payer": {
          "$ref": "#/definitions/OrganizationReference",
          "title": "Payer",
          "description": "An [OrganizationReference] for the organization from which the funds in this transaction originate."
        },
        "payee": {
          "$ref": "#/definitions/OrganizationReference",
          "title": "Payee",
          "description": "An [OrganizationReference] for the organization which receives the funds in this transaction."
        },
        "uri": {
          "title": "Linked spending information",
          "description": "A URI pointing directly to a machine-readable record about this spending transaction.",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        }
      }
    },
    "OrganizationReference": {
      "properties": {
        "name": {
          "type": [
            "string",
            "null"
          ],
          "description": "The name of the party being referenced. This must match the name of an entry in the parties section.",
          "title": "Organization name"
        },
        "id": {
          "type": [
            "string",
            "integer"
          ],
          "description": "The id of the party being referenced. This must match the id of an entry in the parties section.",
          "title": "Organization ID"
        }
      },
      "required": [
        "id",
        "name"
      ],
      "type": "object",
      "description": "The id and name of the party being referenced. Used to cross-reference to the parties section",
      "title": "Organization reference"
    },
    "OrganizationDetails": {
      "type": [
        "object",
        "null"
      ],
      "description": " ",
      "title": "Details",
      "properties": {
        "scale": {
          "title": "Scale",
          "description": "For commercial organization's additional classification information about parties can be provided using [Codelists#Party scale codes] ",
          "type": "string"
        },
        "classifications": {
          "decription": "Any additional classifications for both buyers and sellerd, described as ab array of [Classification]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Classification"
          }
        },
        "typeOfBuyer": {
          "title": "Type of Buyer",
          "description": "A value from the [Codelists#Types of Buyer] codelist]. The type of buyer taken from the EU's specified list in its TED forms.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#type-of-buyer"
        },
        "typeOfSupplier": {
          "descriptiopn": "Specifing whether this Entity is 'personel' or 'company' as [Classification]",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "mainGeneralActivity": {
          "title": "Main General Activity",
          "description": "A value from the [Codelists#Main General Activities] codelist. The main general activity of the buyer taken from the EU's specified list in its TED forms which is taken from the United Nations Classification of the Functions of Government (COFOG) codelist.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#main-general-activity"
        },
        "mainSectoralActivity": {
          "title": "Main Sectoral Activity",
          "description": "A value from the [Codelists#Main Sectoral Activities] codelist. The main sectoral activity of the buyer taken from the EU's specified list in its TED forms which is taken from the United Nations Classification of the Functions of Government (COFOG) codelist.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#main-sectoral-activity"
        },
        "isACentralPurchasingBody": {
          "title": "Is the organization a central purchasing body?",
          "description": "A true/false field to indicate whether the organization is a central purchasing body.",
          "type": [
            "boolean",
            "null"
          ]
        },
        "bankAccounts": {
          "description": "Banking detalis of the entity as an array of [BankAccount]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/BankAccount"
          }
        },
        "mainEconomicActivities": {
          "description": "A list of [Classification] of the registered activities of organization",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Classification"
          }
        },
        "legalForm": {
          "description": "Information about [Classificarion] of the legal form of the organization",
          "type": "object",
          "$ref": "#/definitions/Classificarion"
        },
        "permits": {
          "description": "Information about set of [Permit] and licenses issued for the organization",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Permit"
          }
        }
      }
    },
    "Organization": {
      "title": "Organization",
      "description": "An organization.",
      "type": "object",
      "properties": {
        "name": {
          "title": "Common name",
          "description": "A common name for this organization or participant in the contracting process. The identifier object provides an space for the formal legal name, and so this may either repeat that value, or could provide the common name by which this organization is known. This field could also include details of the department or sub-unit involved in this contracting process.",
          "type": [
            "string",
            "null"
          ]
        },
        "id": {
          "type": [
            "string"
          ],
          "description": "The ID used for cross-referencing to this party from other sections of the release. This field may be built with the following structure {identifier.scheme}-{identifier.id}(-{department-identifier}).",
          "title": "Entity ID"
        },
        "identifier": {
          "title": "Primary identifier",
          "description": "The primary [Identifier] for this organization. Identifiers that uniquely pick out a legal entity should be preferred. Consult the [organization identifier guidance](http://standard.open-contracting.org/1.1-dev/en/schema/identifiers/) for the preferred scheme and identifier to use.",
          "$ref": "#/definitions/Identifier"
        },
        "additionalIdentifiers": {
          "title": "Additional identifiers",
          "description": "Any additional / supplemental [Identifier] for the organization. This could be used to provide an internally used identifier for this organization in addition to the primary legal entity identifier.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Identifier"
          },
          "uniqueItems": true
        },
        "address": {
          "desciption": "This may be the legally registered [Address] of the organization, or may be a correspondence address for this particular contracting process",
          "type": "object",
          "$ref": "#/definitions/Address"
        },
        "contactPoint": {
          "description": "[Contact point] details that can be used for this party",
          "type": "object",
          "$ref": "#/definitions/ContactPoint"
        },
        "additionalContactPoints": {
          "description": "Additional [Contact point] (or many of them) details that can be used for this party",
          "type": "array",
          "items": {
            "$ref": "#/definitions/ContactPoint"
          }
        },
        "persones": {
          "description": "List of persones associated with this organization described with [Persone] array",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Persone"
          }
        },
        "roles": {
          "title": "Entity roles",
          "description": "The party's role(s) in the contracting process. Role(s) should be taken from the [Codelists#Party RoleS]. Values from the provided codelist should be used wherever possible, though extended values can be provided if the codelist does not have a relevant code.",
          "type": "array",
          "items": {
            "type": "string"
          },
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#party-role",
          "openCodelist": true
        },
        "details": {
          "type": [
            "object",
            "null"
          ],
          "description": "Any of [OrganizationDetails] for this entity",
          "title": "Details",
          "#ref": "#definitions/OrganizationDetails"
        },
        "buyerProfile": {
          "title": "Buyer Profile URI",
          "description": "For buyer organisations only: the url of the organization's buyer profile. Specified by the EU",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        },
        "subOrganizations": {
          "description": "List of [OrganizationReference] for the sub-organizations of devisions of this organization",
          "type": "array",
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          }
        },
        "memberOf": {
          "description": "List of [OrganizationReference] for the organizations that include this organization",
          "type": "array",
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          }
        },
        "parentOrganizations": {
          "description": "List of [OrganizationReference] for the parents of this organization",
          "type": "array",
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          }
        }
      }
    },
    "Permit": {
      "description": "",
      "type": "object",
      "properties": {
        "scheme": {
          "description": "Identifier that uniquely pick out a legal registry consists needed details",
          "type": "string"
        },
        "id": {
          "description": "Identifier of permit/license in selected scheme",
          "type": "string"
        },
        "description": {
          "description": "The human readable name of permit/license in selected scheme",
          "type": "string"
        },
        "uri": {
          "description": "A URI to identify the permit/license",
          "type": "string"
        },
        "permitDetails": {
          "description": "[PermitDetails] about permit/license",
          "$ref": "#/definitions/PermitDetails"
        }
      }
    },
    "PermitDetails": {
      "description": "Details about permit/license",
      "type": "object",
      "properties": {
        "issuedBy": {
          "description": "[OrganizationReference] on Entity who issued this permit/license",
          "type": "object",
          "$ref": "#/definitions/OrganizationReference"
        },
        "validityPeriod": {
          "description": "[Period] of validity of this permit/license. It could be any attributes of 'Period'",
          "type": "object",
          "$ref": "#/definitions/Period"
        },
        "issuedThought": {
          "description": "[EconomicActivityReference] to a activity (described in 'mainEconomicActivities') which is covered by this permit/license",
          "type": "object",
          "$ref": "#/definitions/EconomicActivityReference"
        }
      }
    },
    "EconomicActivityReference": {
      "title": "",
      "description": "",
      "type": "object",
      "properties": {
        "id": {
          "title": "",
          "description": "",
          "type": "string"
        },
        "description": {
          "title": "",
          "description": "",
          "type": "string"
        }
      }
    },
    "BankAccount": {
      "title": "",
      "description": "",
      "type": "object",
      "properties": {
        "description": {
          "title": "",
          "description": "",
          "type": "string"
        },
        "bankName": {
          "title": "",
          "description": "",
          "type": "string"
        },
        "address": {
          "title": "Legal [Address] of the Bank",
          "description": "Legal [Address] of the Bank",
          "type": "Object",
          "$ref": "#/definitions/Address"
        },
        "identifier": {
          "title": "",
          "description": "Primary [Identifier] of the Bank",
          "type": "Object",
          "$ref": "#/definitions/Identifier"
        },
        "accountIdentification": {
          "title": "",
          "description": "Account number as [Classification]",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "additionalAccountIndentifiers": {
          "title": "",
          "description": "Account additional requisites as an array of [Classification]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Classification"
          }
        }
      }
    },
    "Persone": {
      "title": "",
      "description": "",
      "type": "object",
      "properties": {
        "title": {
          "title": "",
          "description": "",
          "type": "object"
        },
        "name": {
          "title": "",
          "description": "",
          "type": "object"
        },
        "email": {
          "description": "The e-mail address of the contact point/person.",
          "type": "string"
        },
        "telephone": {
          "description": "The telephone number of the contact point/person. This should include the international dialling code.",
          "type": "string"
        },
        "url": {
          "description": "A web address for the contact point/person.",
          "type": "string",
          "format": "uri"
        },
        "identifier": {
          "description": "The legal [Identifier] of this person according to local identification scheme",
          "type": "object",
          "$ref": "#/definitions/Identifier"
        },
        "businessFunctions": [
          {
            "description": "A set of persones' [BusinessFunction]",
            "type": "array",
            "items": {
              "$ref": "#/definitions/BusinessFunction"
            }
          }
        ]
      }
    },
    "BusinessFunction": {
      "properties": {
        "type": {
          "description": "Business function type accodring to the [Codelists#Business function types]",
          "type": "string",
          "opencodelist": true
        },
        "jobTitle": {
          "description": "[Classification] and human-readeble description of persones' position",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "period": {
          "description": "Actual [Period] of this business function",
          "type": "object",
          "$ref": "#/definitions/Period"
        },
        "documents": {
          "type": "array",
          "descriptiopn": "[Document] with docType:regulatoryDocument",
          "items": [
            {
              "$ref": "#/definitions/Document"
            }
          ]
        }
      }
    },
    "Unit": {
      "title": "Unit",
      "description": "A description of the unit in which the supplies, services or works are provided (e.g. hours, kilograms) and the unit-price. For comparability, an established list of units can be used.",
      "type": "object",
      "properties": {
        "name": {
          "title": "Name",
          "description": "Name of the unit",
          "type": [
            "string",
            "null"
          ]
        },
        "value": {
          "title": "Value",
          "description": "The monetary [Value] of a single unit.",
          "$ref": "#/definitions/Value"
        },
        "scheme": {
          "title": "Scheme",
          "description": "The list from which units of measure identifiers are taken. Use of the scheme 'UNCEFACT' for the UN/CEFACT Recommendation 20 list of 'Codes for Units of Measure Used in International Trade' is recommended.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "unitClassificationScheme.csv",
          "openCodelist": true
        },
        "id": {
          "title": "ID",
          "description": "The identifier from the codelist referenced in the scheme property. For example, with UNCEFACT, this is the value of the 'Common Code' column. From this identifier, applications can look-up the human readable name or symbol for this unit of measure. ",
          "type": [
            "string",
            "null"
          ]
        },
        "uri": {
          "title": "URI",
          "description": "If the scheme used provide a machine-readable URI for this unit of measure, this can be given.",
          "format": "uri",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "Item": {
      "title": "Item",
      "type": "object",
      "description": "A good, service, or work to be contracted.",
      "required": [
        "id"
      ],
      "doc": {
        "inheritance": {
          "position": {
            "description": "",
            "validationRules":{
              "VR-Item.Position-001":{
                "relatesTo":"relatedLots",
                "rule":"Specified value is found in the list of lots of this initiation"
              },
              "VR-Item.Position-002":{
                "relatesTo":"classification",
                "rule":"Specified value matches the parent node classification with first 4 digits"
              }
            },
            "properties": {
              "id": {
                "description": "A local identifier to reference and merge the items by.",
                "mandatory": true,
                "source": "System"
              },
              "internalId": {
                "description": "An internal identifier of this item",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "description": {
                "description": "Free-text description for this item",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "classification": {
                "description": "Primary classification of this item",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "additionalClassifications": {
                "description": "Secondary classification of this item",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "relatedLots": {
                "description": "Reference to the lot on which this item is related",
                "mandatory": true,
                "source": "Procuring Entity"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "ID",
          "description": "A local identifier to reference and merge the items by. Must be unique within a given array of items.",
          "type": [
            "string",
            "integer"
          ]
        },
        "internalId": {
          "title": "",
          "description": "",
          "type": [
            "string",
            "integer"
          ]
        },
        "description": {
          "title": "Description",
          "description": "A description of the goods, services to be provided.",
          "type": [
            "string",
            "null"
          ]
        },
        "classification": {
          "title": "Classification",
          "description": "The primary [Classification] for the item. See the",
          "$ref": "#/definitions/Classification"
        },
        "additionalClassifications": {
          "title": "Additional classifications",
          "description": "An array of additional [Classification] for the item. This may also be used to present codes from an internal classification scheme.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Classification"
          },
          "uniqueItems": true
        },
        "quantity": {
          "title": "Quantity",
          "description": "The number of units required",
          "type": [
            "number",
            "null"
          ]
        },
        "unit": {
          "title": "Unit",
          "description": "A description of the [Unit] in which the supplies, services or works are provided ",
          "type": "object",
          "$ref": "#/definitions/Unit"
        },
        "relatedLots": {
          "title": "Related lot(s)",
          "description": "If this item belongs to a lot, provide the identifier(s) of the related lot(s) here.",
          "type": [
            "array"
          ],
          "items": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "deliveryLocation": {
          "title": "Delivery Location",
          "description": "The [Location] where activity related to this tender, contract or license will be delivered, or will take place.",
          "$ref": "#/definitions/Location"
        },
        "deliveryAddress": {
          "title": "Delivery Address",
          "description": "The [Address] to which, or where, goods or services related to this tender, contract or license will be delivered.",
          "$ref": "#/definitions/Address"
        }
      }
    },
    "Geometry": {
      "type": [
        "object",
        "null"
      ],
      "title": "Geometry",
      "description": "We follow the http://geojson.org/ to express basic location information, using longitude, latitude, and (optionally) elevation values in the WGS84 (https://en.wikipedia.org/wiki/World_Geodetic_System) (EPSG:4326) projection. A point location can be identified by geocoding a delivery address. For concession licenses, or other contracts covering a polygon location which is not contained in a known gazetteer, polygon and multi-polygon can be used.",
      "properties": {
        "type": {
          "title": "Type",
          "description": "The type of GeoJSON Geometry Objects (http://geojson.org/geojson-spec.html#geometry-objects) being provided. To provide longitude, latitude, and (optionally) elevation, use 'Point', and enter an array of longitude, latitude or longitude, latitude, elevation as the value of the coordinates field. Note the capitalization of type values, in order to maintain compatibility with GeoJSON.",
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "Point",
            "MultiPoint",
            "LineString",
            "MultiLineString",
            "Polygon",
            "MultiPolygon",
            null
          ],
          "codelist": "geometryType.csv",
          "openCodelist": false
        },
        "coordinates": {
          "title": "Coordinates",
          "description": "The relevant array of points, e.g. [longitude, latitude] or [longitude, latitude, elevation], or a nested array of points, for the GeoJSON geometry being described. The longitude and latitude MUST be expressed in decimal degrees in the WGS84 (EPSG:4326) projection.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": [
              "number",
              "array"
            ]
          }
        }
      }
    },
    "Gazetter": {
      "type": [
        "object",
        "null"
      ],
      "title": "Gazetteer",
      "description": "A gazetteer is a geographical index or directory. The specific gazetteer used should be specified in scheme, and one or more codes from that gazetteer used in identifier.",
      "properties": {
        "scheme": {
          "title": "Gazetteer scheme",
          "description": "The entry of the selected gazetteer in the gazetteers codelist. The codelist provides details of services, where available, that can resolve a gazetteer entry to provide location names.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "locationGazetteers.csv",
          "openCodelist": true
        },
        "identifiers": {
          "title": "Identifiers",
          "description": "An array of one or more codes drawn from the gazetteer indicated in scheme.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": [
              "string"
            ]
          }
        }
      }
    },
    "Location": {
      "type": "object",
      "title": "Delivery Location",
      "description": "The location where activity related to this tender, contract or license will be delivered, or will take place. A location can be described by either a geometry (point location, line or polygon), or a gazetteer entry, or both.",
      "properties": {
        "description": {
          "title": "Description",
          "description": "A name or description of this location. This might include the name(s) of the location(s), or might provide a human readable description of the location to be covered. This description may be used in a user-interface.",
          "type": [
            "string",
            "null"
          ]
        },
        "geometry": {
          "type": "object",
          "title": "Geometry",
          "description": "[geometry] of this location",
          "$ref": "#/definitions/Geometry"
        },
        "gazetteer": {
          "type": "object",
          "title": "Gazetteer",
          "description": "A [Gazetteer] of this location",
          "#ref": "#/definitions/Gazetter"
        },
        "uri": {
          "type": [
            "string",
            "null"
          ],
          "title": "URI",
          "description": "A URI to a further description of the activity location. This may be a human readable document with information on the location, or a machine-readable description of the location."
        }
      }
    },
    "Classification": {
      "title": "Classification",
      "type": "object",
      "doc": {
        "vr": {
          "node": "$substringBefore(\"tender.classification.id\", \"0\") = \"$substringBefore(\"relatedProcesses[relationship: establishment].url#tender.lots[*].classification.id\",  \"0\")"
        }
      },
      "properties": {
        "scheme": {
          "title": "Scheme",
          "description": "An classification should be drawn from an existing scheme or list of codes. This field is used to indicate the scheme/codelist from which the classification is drawn.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#item-classification-scheme",
          "openCodelist": true
        },
        "id": {
          "title": "ID",
          "description": "The classification code drawn from the selected scheme.",
          "type": [
            "string",
            "integer",
            "null"
          ]
        },
        "description": {
          "title": "Description",
          "description": "A textual description or title for the code.",
          "type": [
            "string",
            "null"
          ]
        },
        "uri": {
          "title": "URI",
          "description": "A URI to identify the code. In the event individual URIs are not available for items in the identifier scheme this value should be left blank.",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        }
      }
    },
    "ExchangeRate": {
      "title": "Exchange Rate",
      "description": "The exchange rate used, or to be used, to convert amount into an alternative currency.",
      "type": "object",
      "properties": {
        "rate": {
          "title": "Currency conversion rate",
          "description": "The rate to use in converting amount to the alternative currency. Amount x Rate = Alternative Currency Amount.",
          "type": [
            "number",
            "null"
          ]
        },
        "currency": {
          "title": "Currency",
          "description": "The destination currency for conversion of amount. Currency should always be specified using the uppercase 3-letter currency code from ISO4217.",
          "type": [
            "string",
            "null"
          ]
        },
        "date": {
          "title": "Exchange rate date",
          "description": "The date at which this exchange rate was current.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "source": {
          "title": "Exchange rate source",
          "description": "The source used to provide the value of the exchange rate, taken from the exchangeRateSource codelist.",
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "contract",
            "market",
            "application"
          ],
          "openCodelist": true
        }
      }
    },
    "Identifier": {
      "title": "Identifier",
      "type": "object",
      "properties": {
        "scheme": {
          "title": "Scheme",
          "description": "Organization identifiers be drawn from an existing identification scheme. This field is used to indicate the scheme or codelist in which the identifier will be found. This value should be drawn from the Organization Identification",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#organization-identifier-scheme",
          "openCodelist": true
        },
        "id": {
          "title": "ID",
          "description": "The identifier of the organization in the selected scheme.",
          "type": [
            "string",
            "integer",
            "null"
          ]
        },
        "legalName": {
          "title": "Legal Name",
          "description": "The legally registered name of the organization.",
          "type": [
            "string",
            "null"
          ]
        },
        "uri": {
          "title": "URI",
          "description": "A URI to identify the organization, such as those provided by Open Corporates (http://www.opencorporates.com) or some other relevant URI provider. This is not for listing the website of the organization: that can be done through the url field of the Organization contact point.",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        }
      }
    },
    "Address": {
      "title": "Address",
      "description": "An address. This may be the legally registered address of the organization, or may be a correspondence address for this particular contracting process.",
      "type": "object",
      "properties": {
        "streetAddress": {
          "title": "Street address",
          "type": [
            "string",
            "null"
          ],
          "description": "The street address. For example, 1600 Amphitheatre Pkwy."
        },
        "locality": {
          "title": "Locality",
          "type": [
            "string",
            "null"
          ],
          "description": "The locality. For example, Mountain View."
        },
        "region": {
          "title": "Region",
          "type": [
            "string",
            "null"
          ],
          "description": "The region. For example, CA."
        },
        "postalCode": {
          "title": "Postalcode",
          "type": [
            "string",
            "null"
          ],
          "description": "The postal code. For example, 94043."
        },
        "countryName": {
          "title": "Country name",
          "type": [
            "string",
            "null"
          ],
          "description": "The country name. For example, United States."
        },
        "addressDetails": {
          "description": "[AddressDetails] for machine proceeding",
          "type": "object",
          "$ref": "#/definitions/AddressDetails"
        }
      }
    },
    "AddressDetails": {
      "description": "",
      "type": "object",
      "properties": {
        "countryDetails": {
          "description": "Country code [Classification] according to 'iso-alpha2' classifier",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "regionDetails": {
          "description": "Region code [Classification] according to 'iso-alpha2' classifier",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "localityDetails": {
          "description": "Locality code [Classification] according to either 'UN/LOCDE' or any applicable local classifier",
          "type": "object",
          "$ref": "#/definitions/Classification"
        },
        "NUTSCode": {
          "title": "NUTS Code",
          "description": "The most detailed level of NUTS codes, NUTS 3 should be used and it should be taken from the EU codelist linked from http://ec.europa.eu/eurostat/ramon/index.cfm?TargetUrl=DSP_PUB_WELC.",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "ContactPoint": {
      "title": "Contact point",
      "type": "object",
      "description": "A person, contact point or department to contact in relation to this contracting process.",
      "properties": {
        "id": {
          "description": "The legal identifier of this person according to local identification scheme used as a cross-reference to the full description ob the person, including contacts and business function, described in the 'persones' section",
          "type": "string"
        },
        "name": {
          "title": "Name",
          "type": [
            "string",
            "null"
          ],
          "description": "The name of the contact person, department, or contact point, for correspondence relating to this contracting process."
        },
        "email": {
          "title": "Email",
          "type": [
            "string",
            "null"
          ],
          "description": "The e-mail address of the contact point/person."
        },
        "telephone": {
          "title": "Telephone",
          "type": [
            "string",
            "null"
          ],
          "description": "The telephone number of the contact point/person. This should include the international dialling code."
        },
        "url": {
          "title": "URL",
          "type": [
            "string",
            "null"
          ],
          "description": "A web address for the contact point/person.",
          "format": "uri"
        },
        "availableLanguage": {
          "title": "URL",
          "type": "array",
          "description": "A web address for the contact point/person.",
          "items": {
            "type": "string"
          }
        }
      }
    },
    "Value": {
      "title": "Value",
      "type": "object",
      "description": "Financial value description",
      "properties": {
        "amount": {
          "title": "Amount",
          "description": "Amount as a number.",
          "type": [
            "number",
            "null"
          ]
        },
        "currency": {
          "title": "Currency",
          "description": "The currency for each amount should always be specified using the uppercase 3-letter currency code from ISO4217.",
          "type": [
            "string",
            "null"
          ]
        },
        "exchangeRates": {
          "title": "Exchange rates",
          "description": "Used to specify any [ExchangeRate] used, or to be used, to convert from amount to an alternative currency. To include alternative currency values within the data itself, add an 'amount_CODE' property alongside amount (e.g. amount_USD). See the extension documentation for more details.  ",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/ExchangeRate"
          }
        },
        "valueAddedTaxIncluded": {
          "title": "A true/false field to indicate whether the value tax was included",
          "type": "boolean"
        }
      }
    },
    "Period": {
      "title": "Period",
      "type": "object",
      "properties": {
        "startDate": {
          "title": "Start date",
          "description": "The start date for the period.",
          "type": "string",
          "format": "date-time"
        },
        "endDate": {
          "title": "End date",
          "description": "The end date for the period.",
          "type": "string",
          "format": "date-time"
        },
        "maxExtentDate": {
          "description": "The period cannot be extended beyond this date.",
          "format": "date-time",
          "title": "Maximum extent",
          "type": "string"
        },
        "durationInDays": {
          "description": "The maximum duration of this period in days. Where a start and end date are given, this field is optional, and should reflect the difference between those two days.",
          "title": "Duration (days)",
          "type": [
            "integer",
            "null"
          ]
        }
      }
    },
    "RelatedProcess": {
      "description": "A link to a related contracting process in OCDS and the type of relationship.",
      "type": "object",
      "title": "Related Process",
      "doc": {
        "application": {
          "preQualification": {
            "description": "",
            "properties": {
              "uri": {
                "description": "",
                "mandatory": true,
                "source": "System",
                "defaultValue": ""
              },
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System",
                "defaultValue": ""
              },
              "relationship": {
                "description": "",
                "mandatory": true,
                "source": "System",
                "defaultValue": "x_preQualification"
              },
              "title": {
                "description": "",
                "mandatory": false,
                "source": "",
                "defaultValue": ""
              },
              "schema": {
                "description": "",
                "mandatory": true,
                "source": "System",
                "defaultValue": "ocds"
              }
            }
          }
        }
      },
      "properties": {
        "uri": {
          "format": "uri",
          "description": "A URI pointing to an OCDS release or record for the related process. This should be a machine-readable release or record package containing the relevant ocid.",
          "title": "Related process URI",
          "type": [
            "string",
            "null"
          ]
        },
        "id": {
          "type": [
            "string"
          ],
          "description": "A local identifier for this relationship, unique within this array."
        },
        "relationship": {
          "items": {
            "type": "string"
          },
          "description": "Specify the type of relationship using the [Codelists#Related processes relationships] codelist",
          "title": "Relationship",
          "type": [
            "array",
            "null"
          ],
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#related-process",
          "opencodelist": true
        },
        "title": {
          "description": "The title of the related process, where possible this field should match the tender/title field in the related process.",
          "title": "Related process title",
          "type": [
            "string",
            "null"
          ]
        },
        "scheme": {
          "title": "Scheme",
          "description": "The identification scheme used by this cross-reference from the related process scheme codelist codelist. When cross-referencing information also published using OCDS, an Open Contracting ID (ocid) should be used.",
          "type": "string",
          "enum": [
            "ocid",
            "ppid"
          ]
        }
      }
    },
    "BidsStatistic": {
      "title": "Bid Statistic",
      "description": "For reporting aggregate statistics about the bids related to a tender. Where lots are in use, statistics may optionally be broken down by lot. ",
      "type": [
        "object",
        "null"
      ],
      "required": [
        "id",
        "measure",
        "value"
      ],
      "properties": {
        "id": {
          "title": "ID",
          "description": "An internal identifier for this statistical item.",
          "type": [
            "string",
            "null"
          ]
        },
        "measure": {
          "title": "Measure",
          "description": "An item from the bidStatistics codelist for the statisic reported in value.",
          "type": [
            "string",
            "null"
          ],
          "TODO": "ADD CODELIST CROSS_REFERENCE"
        },
        "date": {
          "title": "Date",
          "description": "The date when this statistic was last updated. This is often the closing date of the tender process. This field can be left blank unless either (a) the same statistic is provided from multiple points in time, or (b) there is a specific local requirement for the data when statistics were calculated to be provided.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "value": {
          "title": "Value",
          "description": "The value for the measure in question. Total counts should be provided as an integer. Percentages should be presented as a proportion of 1 (e.g. 10% = 0.1)",
          "type": [
            "number",
            "null"
          ]
        },
        "notes": {
          "title": "Notes",
          "description": "Any notes required to understand or interpret the given statistic.",
          "type": [
            "string",
            "null"
          ]
        },
        "relatedLot": {
          "title": "Related Lot",
          "description": "Where lots are in use, if this statistic relates to bids on a particular lot, provide the lot identifier here. If left blank, the statistic will be interpreted as applying to the whole tender.",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "Bid": {
      "title": "Bid",
      "description": "For representing a bid in response to the tender or qualification stage in this contracting process.",
      "type": "object",
      "required": [
        "id"
      ],
      "doc": {
        "inheritance": {
          "fe": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "date": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "status": {
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "statusDetails":{
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "tenderers": {
                "description": "",
                "mandatory": "",
                "defaultValue": "",
                "source": "System"
              },
              "documents": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "requirementResponses":{}
            }
          },
          "pcr": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "date": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "status": {
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "statusDetails":{
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "tenderers": {
                "description": "",
                "mandatory": "",
                "defaultValue": "",
                "source": "System"
              },
              "documents": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "relatedLots": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "requirementResponses":{}
            }
          },
          "po": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "date": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "status": {
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "statusDetails":{
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "value": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "relatedLots": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "tenderers": {
                "description": "",
                "mandatory": "",
                "defaultValue": "",
                "source": "System"
              },
              "documents": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "requirementResponses":{}
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "ID",
          "description": "A local identifier for this bid",
          "type": [
            "string"
          ]
        },
        "date": {
          "title": "Date",
          "description": "The date when this bid was received.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "status": {
          "title": "Status",
          "description": "The status of the bid, drawn from the bidStatus codelist",
          "type": [
            "string",
            "null"
          ],
          "TODO": "EMBED CODELIST"
        },
        "tenderers": {
          "title": "Tenderer",
          "description": "The [OrganizationReference] for party, or parties, responsible for this bid. This should provide a name and identifier, cross-referenced to an entry in the parties array at the top level of the release.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          }
        },
        "value": {
          "title": "Value",
          "description": "The total [Value] of the bid.",
          "$ref": "#/definitions/Value"
        },
        "documents": {
          "title": "Documents",
          "description": "Any [Document] and attachment related to the bid and its evaluation.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          },
          "uniqueItems": true
        },
        "relatedLots": {
          "title": "Related lot(s)",
          "description": "If this bid relates to one or more specific lots, provide the identifier(s) of the related lot(s) here.",
          "type": [
            "array"
          ],
          "items": {
            "type": [
              "string",
              "null"
            ]
          },
          "NOTE": "Compare againt lotValues approach in open procument API - http://api-docs.openprocurement.org/en/latest/lots.html"
        },
        "requirementResponses": {
          "TODO": "ADD REQUIREMENT RESPONSE SECTION TO REQUIREMENTS EXTENSION",
          "type": "array",
          "mergeStrategy": "arrayMergeById",
          "description": "A set of [RequirementResponse] relevant to the requirements requested under Contract Notice",
          "mergeOptions": {
            "idRef": "id"
          },
          "items": {
            "$ref": "#/definitions/RequirementResponse"
          },
          "unqiueItems": true
        }
      }
    },
    "Lot": {
      "title": "Lots",
      "description": "A lot is a grouping of items within a tender that can be bid on or awarded together.",
      "type": "object",
      "doc": {
        "inheritance": {
          "profile": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "internalId": {
                "description": "",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "title": {
                "description": "",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "description": {
                "description": "",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "status": {
                "description": "",
                "mandatory": true,
                "source": "System"
              }
            }
          },
          "node": {
            "description": "",
            "validationRules":{
              "VR-Lot.Node-001":{
                "relatesTo":"classification",
                "rule":"Specified value matches the general initiations' classification with first 4 digits"
              }
            },
            "properties": {
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "internalId": {
                "description": "An internal identifier of this node by Procuring Entity",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "title": {
                "description": "Node name",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "description": {
                "description": "Free-text description for this node",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "status": {
                "description": "Node status according to the codelist",
                "mandatory": true,
                "source": "System"
              },
              "classification": {
                "description": "The primary classification for this node established as 6th level of CPV the relevant CPV class",
                "mandatory": true,
                "source": "ProcuringEntity"
              },
              "variants":{
                "description": "Where precise positions are applied by Procuring Entity on the establishment level, this attribute will indicate if it is will be permitted to offer alternatives",
                "mandatory": false,
                "source": "ProcuringEntity"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Lot ID",
          "type": "string",
          "description": "A local identifier for this lot, such as a lot number. This is used in relatedLot references at the item, document and award level."
        },
        "internalId": {
          "title": "",
          "description": "",
          "type": [
            "string",
            "integer"
          ]
        },
        "title": {
          "title": "Title",
          "type": [
            "string",
            "null"
          ],
          "description": "A title for this lot."
        },
        "description": {
          "title": "Description",
          "description": "A description of this lot.",
          "type": [
            "string",
            "null"
          ]
        },
        "status": {
          "title": "Lot Status",
          "description": "The current status of the process related to this lot based on the [Codelists#Tender statuses",
          "type": [
            "string",
            "null"
          ],
          "codelist": "http://ocds.open-contracting.org/standard/r/1__0__0/en/schema/codelists#tender-status",
          "openCodelist": false
        },
        "value": {
          "title": "Lot value",
          "$ref": "#/definitions/Value",
          "description": "The maximum estimated [Value] of this lot."
        },
        "options": {
          "title": "Lot options",
          "description": "Details about any [Option] related to this lot: if they will be accepted and what they can consist of. Required by the EU",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Options"
          }
        },
        "recurrence": {
          "title": "Recurrence",
          "description": "Information on the [Recurrence] of the lot.",
          "$ref": "#/definitions/Recurrence"
        },
        "renewals": {
          "title": "Renewals",
          "description": "Details of any allowable contract [Renewals]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Renewals"
          }
        },
        "variants": {
          "title": "Lot variants",
          "description": "Details about lot [Variants]: if they will be accepted and what they can consist of. Required by the EU",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Variants"
          }
        },
        "placeOfPerformance": {
          "title": "Place of Performance",
          "description": "The address, NUTS code and further description of the place where the contract will be performed - [PlaceOfPerformance]",
          "$ref": "#/definitions/PlaceOfPerformance"
        },
        "classification": {
          "title": "Place of Performance",
          "description": "The address, NUTS code and further description of the place where the contract will be performed - [PlaceOfPerformance]",
          "$ref": "#/definitions/Classification"
        }
      }
    },
    "LotDetails": {
      "title": "Lot Details",
      "description": "If this tender is divided into lots, details can be provided here of any criteria that apply to bidding on these lots. This extended property is currently focussed on fields required by the EU TED data standard",
      "type": [
        "object",
        "null"
      ],
      "properties": {
        "maximumLotsBidPerSupplier": {
          "title": "Maximum lots per supplier",
          "description": "The maximum number of lots that one supplier may bid for as part of this contracting process.",
          "type": [
            "integer",
            "null"
          ]
        },
        "maximumLotsAwardedPerSupplier": {
          "title": "Maximum lots per supplier",
          "description": "The maximum number of lots that may be awarded to one supplier as part of this contracting process.",
          "type": [
            "integer",
            "null"
          ]
        }
      }
    },
    "LotGroup": {
      "title": "Lot group",
      "description": "Where the buyer reserves the right to combine lots, or wishes to specify the total value for a group of lots, a lot group is used to capture this information.",
      "type": "object",
      "doc": {
        "inheritance": {
          "@": {
            "description": "",
            "validationRules":{
              "VR-LotGroup.@-001":{
                "relatesTo":"relatedLots",
                "rule":"Specified value are found in the list of Lots"
              }
            },
            "properties":{
              "id":{
                "description": "Unique identifier of this lots group",
                "mandatory": true,
                "source": "System"
              },
              "relatedLots":{
                "description": "A list of the identifiers of the lots that form this group",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "optionToCombine":{
                "description": "The Procuring Entity reserves the right to combine the lots in this group",
                "mandatory": true,
                "source": "System"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Lot group identifier",
          "type": "string",
          "description": "A local identifier for this group of lots."
        },
        "relatedLots": {
          "title": "Related lot(s)",
          "description": "A list of the identifiers of the lots that form this group. Lots may appear in more than one group.",
          "type": [
            "array"
          ],
          "items": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "optionToCombine": {
          "title": "Option to combine",
          "description": "The buyer reserves the right to combine the lots in this group when awarding a contract.",
          "type": [
            "boolean",
            "null"
          ]
        },
        "maximumValue": {
          "title": "Maximum value",
          "description": "The maximum estimated [Value] of the lots in this group. This may be lower than the sum total of lot values",
          "$ref": "#/definitions/Value"
        }
      }
    },
    "ParticipationFee": {
      "title": "Participation fee",
      "type": "object",
      "properties": {
        "type": {
          "title": "Fee type",
          "description": "A fees applicable to bidders wishing to participate in the tender process. Fees may apply for access to bidding documents, for the submission of bids or there may be a win fee payable by the successful bidder.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string",
            "enum": [
              "document",
              "deposit",
              "submission",
              "win"
            ]
          }
        },
        "value": {
          "description": "Fee [Value]",
          "$ref": "#/definitions/Value"
        },
        "description": {
          "title": "Description",
          "description": "Optional information about the way in which fees are levied, or the exact nature of the fees.",
          "type": "string"
        },
        "methodOfPayment": {
          "title": "Method(s) of payment",
          "description": "Optional information about the way in which fees can be paid.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          }
        }
      }
    },
    "Criterion": {
      "type": "object",
      "title": "Criterion",
      "description": "A criterion on which either bidders or items will be judged, evaluated or assessed.",
      "required": [
        "id"
      ],
      "doc":{
        "inheritance": {
          "@": {
            "description": "",
            "validationRules":{
              "VR-Criterion.@-001":{
                "relatesTo":"relatedItem",
                "rule":"Specified value found in an array of relevant schema-elements (lots/items)"
              },
              "VR-Criterion.@-002":{
                "relatesTo":"requirementGroups",
                "rule":"At least one group described for this criterion"
              },
              "VR-Criterion.@-003":{
                "relatesTo":"relatesTo",
                "rule":"Specified value is either 'tenderer', 'item' or 'lot'"
              },
              "VR-Criterion.@-004":{
                "relatesTo":"source",
                "rule":"Specified value is found in the relevant codelist"
              }
            },
            "properties": {
              "id":{
                "description": "An identifier for this criterion",
                "mandatory": true,
                "source": "System"
              },
              "title":{
                "description": "Criterion title",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "description": {
                "description": "Any free-text description from PE while preparing this criterion",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "classification":{
                "description": "The structured classification of this criterion against applied model (e.g. ESPD)",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "source":{
                "mandatory": false,
                "source": "Procuring Entity",
                "description": "Source of response to the requirements specificed in the criterion"
              },
              "relatesTo": {
                "mandatory": false,
                "source": "Procuring Entity",
                "description": "The schema element that the criterion judges, evaluates or assesses."
              },
              "relatedItem": {
                "description": "Where relatesTo = \"item\" this field must be populated with the id of the item in this tender section which the criterion relates to.",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "requirementGroups": {
                "description": "A list of [RequirementGroup] for this Criterion.",
                "mandatory": true,
                "source": "Procuring Entity"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "description": "The identifier for this criterion. It must be unique and cannot change within the Open Contracting Process it is part of (defined by a single ocid).",
          "type": [
            "string",
            "integer"
          ],
          "mergeStrategy": "overwrite"
        },
        "title": {
          "description": "Criterion title",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "description": {
          "description": "Criterion description",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "source": {
          "description": "Source of response to the requirements specificed in the criterion, for example responses may be submitted by tenderers or by an assessment committee at the procuringEntity.",
          "type": "string",
          "enum": [
            "tenderer",
            "buyer",
            "procuringEntity"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "relatesTo": {
          "description": "The schema element that the criterion judges, evaluates or assesses. For example criterion may be defined against items or against bidders.",
          "type": "string",
          "enum": [
            "item",
            "tenderer"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "relatedItem": {
          "description": "Where relatesTo = \"item\" this field must be populated with the id of the item in this tender section which the criterion relates to. Where relatesTo <> \"item\" this field should be omitted",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "requirementGroups": {
          "title": "Requirement groups",
          "description": "A list of [RequirementGroup] for this Criterion. A criterion is satisfied by one or more requirement groups being met. A requirement group is met when all requirements in the group are satisfied.",
          "type": "array",
          "mergeStrategy": "arrayMergeById",
          "mergeOptions": {
            "idRef": "id"
          },
          "items": {
            "$ref": "#/definitions/RequirementGroup"
          },
          "uniqueItems": true
        }
      }
    },
    "RequirementGroup": {
      "type": "object",
      "title": "Requirement group",
      "description": "A requirement group is a set of requirements that must be fulfilled together to validate a criterion.",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "description": "The identifier for this requirement group. It must be unique and cannot change within the Open Contracting Process it is part of (defined by a single ocid). ",
          "type": "string",
          "mergeStrategy": "overwrite"
        },
        "description": {
          "description": "Requirement group description",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "requirements": {
          "title": "Requirements",
          "description": "A list of any [Requirement] which must all be satisified for the requirement group to be met.",
          "type": "array",
          "mergeStrategy": "arrayMergeById",
          "mergeOptions": {
            "idRef": "id"
          },
          "items": {
            "$ref": "#/definitions/Requirement"
          },
          "uniqueItems": true
        }
      }
    },
    "Requirement": {
      "type": "object",
      "title": "Requirement",
      "description": "An atomic requirement. Requirements can specify the expected value that the response has to contain, or a range of threshold values within which the response has to fit in. The requirement may apply to a certain period of time",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "description": "The identifier for this requirement. It must be unique and cannot change within the Open Contracting Process it is part of (defined by a single ocid).",
          "type": "string",
          "mergeStrategy": "overwrite"
        },
        "title": {
          "description": "Requirement title",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "description": {
          "description": "Requirement description",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "dataType": {
          "description": "Requirement description",
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "string",
            "date-time",
            "number",
            "integer"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "pattern": {
          "description": "A regular expression against which validate the requirement response",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "expectedValue": {
          "description": "Used to state the requirement when the response must be particular value",
          "type": [
            "string",
            "integer",
            "number",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "minValue": {
          "description": "Used to state the lower bound of the requirement when the response must be within a certain range",
          "type": [
            "integer",
            "number",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "maxValue": {
          "description": "Used to state the upper bound of the requirement when the response must be within a certain range",
          "type": [
            "integer",
            "number",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "period": {
          "description": "Used to specify a particular [Period] the requirement applies to, for example the bidder's turnover in a given year",
          "$ref": "#/definitions/Period"
        },
        "eligibleEvidences": {
          "title": "Eligible evidences",
          "description": "Any [Evidance] that will be accepted as a proof of sasisfaction of sepcific requirement ",
          "type": "array",
          "items": {
            "$ref": "#/definition/Evidence"
          }
        }
      }
    },
    "Recurrence": {
      "title": "Recurrence",
      "description": "Information on the recurrence of the contracting process.",
      "type": "object",
      "properties": {
        "dates": {
          "title": "Estimated dates",
          "description": "An estimate of the [Period] of subsequent initiations of contracting processes (e.g. notices of intended procurement).",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Period"
          },
          "wholeListMerge": true
        },
        "description": {
          "title": "Further information",
          "description": "Any further information on the recurrence of the contracting process.",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "RequirementResponse": {
      "type": "object",
      "title": "Requirement Response",
      "description": "An assertion that responds to a single requirement. A requirement response provides the value for the requirement and may provide the period to which it applies.",
      "required": [
        "id",
        "requirement"
      ],
      "properties": {
        "id": {
          "description": "The identifier for this requirement response. It must be unique and cannot change within the Open Contracting Process it is part of (defined by a single ocid).",
          "type": "string",
          "mergeStrategy": "overwrite"
        },
        "title": {
          "description": "Requirement response title",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "description": {
          "description": "Requirement response description",
          "type": [
            "string",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "value": {
          "description": "Requirement response value. The value must be of the type defined in the requirement.dataType field",
          "type": [
            "string",
            "integer",
            "number",
            "null"
          ],
          "mergeStrategy": "ocdsVersion"
        },
        "period": {
          "description": "The [Period] which the requirement response is applicable to",
          "$ref": "#/definitions/Period"
        },
        "requirement": {
          "title": "Related requirement",
          "description": "The [RequirementReference] of the requirement which the response is applicable to",
          "$ref": "#/definitions/RequirementReference"
        },
        "relatedTenderer": {
          "title": "Related tenderer",
          "description": "Where this requirement response relates to a tenderer and is provided by the buyer or procuring entity this field should be used as [OrganizationReference] the entry in the parties section for the tenderer the response relates to.",
          "$ref": "#/definitions/OrganizationReference"
        },
        "relatedItem": {
          "title": "Related Item",
          "description": "Where this requirement response relates to an item and is provided by the buyer or procuring entity this field should be used to reference the id in the items' section for the item the response relates to."
        }
      }
    },
    "RequirementReference": {
      "type": "object",
      "title": "Requirement reference",
      "description": "Used to cross reference a requirement",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "title": "Requirement ID",
          "description": "The id of the requirement which the response is applicable to",
          "type": "string",
          "mergeStrategy": "ocdsVersion"
        },
        "title": {
          "title": "Requirement title",
          "description": "The title of the requirement which the response is applicable to",
          "type": "string",
          "mergeStrategy": "ocdsVersion"
        }
      }
    },
    "ValueBreakdown": {
      "title": "Value Breakdown",
      "type": "object",
      "description": "The breakdown of known and/or estimated values in this contract.",
      "required": [
        "id"
      ],
      "properties": {
        "id": {
          "title": "id",
          "type": "string",
          "description": "The identifier of this value breakdown. Unique within this array.",
          "uniqueItems": true
        },
        "type": {
          "title": "type",
          "description": "A value from the valueType codelist that identifies the nature of the value in the breakdown. Negative values indicate a revenue to the supplier.",
          "type": "array",
          "items": {
            "type": "string",
            "enum": [
              "userFees",
              "publicAgencyFees"
            ]
          },
          "codelist": "http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#value-type"
        },
        "description": {
          "title": "description",
          "type": "string",
          "description": "The description of this value breakdown."
        },
        "amount": {
          "title": "amount",
          "description": "The amount of this [Value] breakdown. A positive value represents a transaction from buyer to supplier. A negative value represents a payment from the supplier to the buyer.",
          "$ref": "#/definitions/Value"
        },
        "estimationMethod": {
          "title": "Estimation Method",
          "description": "The estimation method of this [Value] breakdown, where applicable.",
          "$ref": "#/definitions/Value"
        }
      }
    },
    "Options": {
      "title": "Options",
      "type": "object",
      "properties": {
        "hasOptions": {
          "title": "Lot Options",
          "description": "A True/False field to indicate if lot options will be accepted. Required by the EU",
          "type": [
            "boolean",
            "null"
          ]
        },
        "optionDetails": {
          "title": "Lot option details",
          "description": "Further information about the lot options that will be accepted. Required by the EU",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "Renewals": {
      "title": "Renewals",
      "type": "object",
      "properties": {
        "hasRenewals": {
          "title": "Has renewals?",
          "description": "A True/False field to indicate whether contract renewals are allowed.",
          "type": "boolean"
        },
        "maxNumber": {
          "title": "Maximum number",
          "description": "Maximum number of renewals of this lot",
          "type": [
            "number",
            "null"
          ]
        },
        "renewalConditions": {
          "title": "Renewal Conditions",
          "description": "Conditions for, and descriptions of, any renewals of this lot",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "Variants": {
      "title": "Variants",
      "type": "object",
      "properties": {
        "hasVariants": {
          "title": "Lot Variants",
          "description": "A True/False field to indicate if lot variants will be accepted. Required by the EU",
          "type": [
            "boolean",
            "null"
          ]
        },
        "variantDetails": {
          "title": "Lot variant details",
          "description": "Further information about the lot variants that will be accepted. Required by the EU",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "AcceleratedProcedure": {
      "title": "Accelerated Procedure",
      "type": "object",
      "properties": {
        "isAcceleratedProcedure": {
          "title": "is Accelerated Procedure?",
          "description": "A True/False field to indicate whether an accelerated procedure has been used for this procurement",
          "type": "boolean"
        },
        "acceleratedProcedureJustification": {
          "title": "Accelerated Procedure Justification",
          "description": "Justification for using an accelerated procedure",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "ElectronicWorkflows": {
      "title": "Electronic Workflows",
      "type": "object",
      "properties": {
        "useOrdering": {
          "title": "Tender uses electronic ordering",
          "description": "A True/False field to indicate if electronic ordering will be used. Required by the EU",
          "type": [
            "boolean",
            "null"
          ]
        },
        "usePayment": {
          "title": "Tender uses electronic payment",
          "description": "A True/False field to indicate if electronic payment will be used. Required by the EU",
          "type": [
            "boolean",
            "null"
          ]
        },
        "acceptInvoicing": {
          "title": "Tender accepts electronic invoicing",
          "description": "A True/False field to indicate if electronic invoicing will be accepted. Required by the EU",
          "type": [
            "boolean",
            "null"
          ]
        }
      }
    },
    "JointProcurement": {
      "title": "Joint procurement",
      "type": "object",
      "properties": {
        "isJointProcurement": {
          "title": "Is A Joint Procurement",
          "description": "A True/False field to indicate if this is a joint procurement or not. Required by the EU",
          "type": [
            "boolean",
            "null"
          ]
        },
        "country": {
          "title": "Country",
          "description": "ISO Country Code of the country where the law applies. Use ISO Alpha-2 country codes.",
          "type": [
            "string",
            "null"
          ],
          "minLength": 2,
          "maxLength": 3
        }
      }
    },
    "Objectives": {
      "title": "Tender objectives",
      "type": "object",
      "properties": {
        "types": {
          "title": "Types of tender objectives",
          "description": "Contract performance conditions with environmental, social and innovative objectives. Required by the EU.",
          "type": "array",
          "items": {
            "type": "string",
            "enum": [
              "environmental",
              "social",
              "innovative"
            ]
          }
        },
        "additionalInformation": {
          "title": "Tender objectives additional information",
          "description": "Further details about the objectives of the procurement. Required by the EU",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "ProcedureOutsourcing": {
      "title": "Procedure Outsourcing",
      "type": "object",
      "properties": {
        "procedureOutsourced": {
          "title": "procedureOutsourced",
          "description": "A True/False field to indicate whether the procurement procedure has been outsourced",
          "type": "boolean"
        },
        "outsourcedTo": {
          "title": "Outsourced To",
          "description": "An [OrganizationReference] to identify the organization that is running the outsourced procedure",
          "$ref": "#/definitions/OrganizationReference"
        }
      }
    },
    "PlaceOfPerformance": {
      "title": "Place of Performance",
      "description": "The address, NUTS code and further description of the place where the contract will be performed",
      "type": "object",
      "properties": {
        "address": {
          "title": "address",
          "description": "[Address] for the place of performance of the contract.",
          "$ref": "#/definitions/Address"
        },
        "description": {
          "title": "description",
          "type": "string",
          "description": "Further description of the place of performance of the contract. Required by EU."
        }
      }
    },
    "AuctionsStatistic": {
      "title": "",
      "description": "For reporting aggregate statistics about the auctions related to a tender. Where lots are in use, statistics may optionally be broken down by lot.",
      "type": "object",
      "properties": {
        "id": {
          "title": "",
          "description": "An internal identifier for this statistical item.",
          "type": "string"
        },
        "measure": {
          "title": "",
          "description": "An item from the auctionsStatistics codelist for the statisic reported in value.",
          "type": "string",
          "openCodelist": true,
          "codelist": "auctionsStatisticsMeasures.csv"
        },
        "date": {
          "title": "",
          "description": "The date when this statistic was last updated. This is often the closing date of the auction process.",
          "type": "string",
          "format": "date-time"
        },
        "value": {
          "title": "",
          "description": "The value for the measure in question. Total counts should be provided as an integer. Percentages should be presented as a proportion of 1 (e.g. 10% = 0.1)",
          "type": "number"
        },
        "notes": {
          "title": "",
          "description": "Any notes required to understand or interpret the given statistic.",
          "type": "string"
        },
        "relatedAuction": {
          "title": "",
          "description": "If this statistic relates to auction on a particular lot, provide the lot identifier here. If left blank, the statistic will be interpreted as applying to the whole contracting process phase",
          "type": "string"
        }
      }
    },
    "Action": {
      "title": "Action",
      "description": "The sepcific actions that has to be taken",
      "type": "object",
      "properties": {
        "action": {
          "title": "Action tag",
          "description": "The code of exepcted value according to codelist",
          "type": "string",
          "codelist": "codelists/auctionOutcomesActions.csv",
          "openCodelist": false,
          "enum": [
            "gotoGroup",
            "breakAuction"
          ]
        },
        "auctionGroupID": {
          "title": "Auction group identifier",
          "description": "The unique identifier of the group of rounds under this electronic auction on which this action is relates (where action:gotoGroup)",
          "type": "string"
        }
      }
    },
    "ActionTriggers": {
      "title": "",
      "description": "The prescribed set of actions that has to be taken depending on whether targets of this stage of the electroic auction achieved or not or stage was cancelled due to conditions of start",
      "type": "object",
      "proeprties": {
        "targetsAchieved": {
          "title": "Targets achieved",
          "description": "The [Action] prescribed for the case if targets of this stage of the electronic auction where acheived",
          "$ref": "#/definition/Action"
        },
        "targetsNotAchieved": {
          "title": "Targets not achieved",
          "description": "The [Action] prescribed for the case if targets of this stage of the electronic auction where not acheived",
          "$ref": "#/definition/Action"
        },
        "groupCancelled": {
          "title": "Group cancelled",
          "description": "The [Action] prescribed for the case if this stage of the electronic auction was cancelled do to requirements of the conditions to start",
          "$ref": "#/definition/Action"
        }
      }
    },
    "Auction": {
      "title": "Electronic auction",
      "description": "Data regarding electronic auction established against specific lot",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier fot this electronic auction",
          "type": "string"
        },
        "relatedLot": {
          "title": "Related lot id",
          "description": "Unique identifier of the lot under this contracting process agaist which this electronis acution is established",
          "type": "string"
        },
        "url": {
          "title": "URL",
          "description": "The url for this electronic auction",
          "type": "string",
          "format": "uri"
        },
        "auctionPeriod": {
          "title": "Auction period",
          "description": "The [Period] of time allocated (spent) for execution of this electronic auction",
          "$ref": "#/definitions/Period"
        },
        "criteria": {
          "title": "Auction criteria",
          "description": "Any [Criterion] on which this stage of the electronic auction will be launched, judged, evaluated or assessed.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Criterion"
          }
        },
        "auctionBreakdown": {
          "title": "Auction breakdown",
          "description": "The stages of this electronic auction, described as [AuctionRoundsGroup]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/AuctionRoundsGroup"
          }
        },
        "auctionResult": {
          "title": "Auction results",
          "descirption": "Data regarding outcomes of this electronic auction",
          "type": "object",
          "properties": {
            "status": {
              "title": "status",
              "description": "The result status of this electconic auction based on the auction critera",
              "type": "string",
              "codelist": "codelists/auctionStatus.csv",
              "openCodelist": false,
              "enum": [
                "successfull",
                "unsuccessful",
                "cancelled"
              ]
            },
            "bids": {
              "title": "Bids",
              "description": "The set of bids resulting this stage of the electronic auction",
              "type": "array",
              "items": {
                "$ref": "#/definitions/Bid"
              }
            }
          }
        }
      }
    },
    "AuctionRoundsGroup": {
      "title": "Auction rounds group",
      "description": "The number of rounds searated as a block containing this electronic auction",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "desciption": "Unique ID for this stage of the electronic auction",
          "type": "string"
        },
        "title": {
          "title": "Title",
          "desciption": "The title of this stage of the electronic auction",
          "type": "string"
        },
        "description": {
          "title": "Description",
          "desciption": "The description of this stage of the electronic auction",
          "type": "string"
        },
        "relatedModalities": {
          "title": "Related modalities",
          "desciption": "The id of the preset of electronic auction modalities applied for this stage of the electronic auction",
          "type": "string"
        },
        "targets": {
          "title": "Targets",
          "desciption": "The set of targets prescribed for this stage of the electronic auction that has to be achieved to consider this stage as successfull. As an array of [Metric]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Metric"
          }
        },
        "actions": {
          "title": "Stage actions",
          "description": "The [ActionTriggers] for this stage of the electronic auction",
          "type": "array",
          "items": {
            "$ref": "#/definition/ActionTriggers"
          }
        },
        "invitedTenderers": {
          "title": "Invited particiants",
          "description": "The set of the groups of the invited particiapnts described using as [InvitationToAuction]",
          "type": "array",
          "items": {
            "$ref": "#/definition/InvitationToAuction"
          }
        },
        "rounds": {
          "title": "Rounds",
          "desciption": "The set of [AuctionRound] arranged under this stage of the electronic auction",
          "type": "array",
          "items": {
            "$ref": "#/definitions/AuctionRound"
          }
        },
        "auctionProgress": {
          "type": "array",
          "items": {
            "#ref": "#/definitions/AuctionRoundProgress"
          }
        }
      }
    },
    "AuctionRound": {
      "title": "Round",
      "desciption": "The athomic element of the electronic auctions' structure",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "desciption": "The unique identifier for this round",
          "type": "string"
        },
        "roundPeriod": {
          "title": "Round period",
          "description": "The [Period] (either start/end dates or duration) for this round",
          "$ref": "#/definitions/Period"
        },
        "auctionThreshold": {
          "title": "",
          "description": "",
          "type": "",
          "openCodelist": false,
          "codelist": "codelists/auctionThreshold.csv",
          "enum": [
            "estimatedValue",
            "tendererCurrentOffer",
            "tendererLowestOffer",
            "tendrerHighestOffer",
            "currentLowestOffer",
            "currentHighestOffer",
            "initialLowestOffer",
            "initialHighestOffer",
            "groupWinningOffer"
          ]
        },
        "auctionGroupID": {
          "title": "Auction group identifier",
          "description": "The unique identifier of the group of rounds under this electronic auction on which actionThreshold is relates (where auctionThreshold:groupWinningOffer)",
          "type": "string"
        },
        "eligibleMinDifference": {
          "title": "",
          "description": "Min eligible difference for this round described as [ValueDifference]]",
          "$ref": "#/definitions/ValueDifference"
        },
        "eligibleExpectedDifference": {
          "title": "",
          "description": "Exepcted difference for this round described as [ValueDifference]",
          "$ref": "#/definitions/ValueDifference"
        },
        "eligibleMaxDifference": {
          "title": "",
          "description": "Max eligible difference for this round described as [ValueDifference]",
          "$ref": "#/definitions/ValueDifference"
        }
      }
    },
    "AuctionRoundProgress": {
      "title": "",
      "description": "",
      "type": "object",
      "properties": {
        "relatedRound": {
          "title": "",
          "description": "",
          "type": "string"
        },
        "status": {
          "title": "",
          "description": "",
          "type": "string",
          "enum": [
            "cancelled",
            "complete"
          ]
        },
        "targetsAchieved ": {
          "type": "boolean"
        },
        "roundPeriod": {
          "title": "",
          "description": "The [Period] for this round",
          "type": "object",
          "#ref": "#/definitions/Period"
        },
        "bids": {
          "title": "",
          "description": "Set of all [Bid] result this round",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Bid"
          }
        }
      }
    },
    "ValueDifference": {
      "title": "",
      "description": "",
      "type": "object",
      "properties": {
        "value": "",
        "unit": {
          "$ref": "#/definitions/Unit"
        }
      }
    },
    "ElectronicAuctionModalities": {
      "title": "Electronic Aucton Modalities preset",
      "description": "The strict preset of settings and adjustments available for the electronic auction as one one of the procurement methods modalities applied under this contracting process",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier for this Electronic Aucton Modalities preset",
          "type": [
            "string",
            "integer"
          ]
        },
        "description": {
          "title": "Description",
          "description": "Free-text exlanatory description for this Electronic Aucton Modalities preset",
          "type": "string"
        },
        "modalities": {
          "title": "Modalities",
          "description": "A set of modalities, providing detailed information on the specific auction",
          "type": "object",
          "properties": {
            "auctionMethod": {
              "title": "Electroic auction method",
              "description": "Electroic auction method applied for this stage of the electronic auction",
              "type": "string",
              "codelist": "codelists/auctionMethod.csv",
              "openCodelist": false,
              "enum": [
                "softClose",
                "hardClose"
              ]
            },
            "auctionMethodDetails": {
              "title": "Electroic auction view mode",
              "description": "Electroic auction view mode applied for this stage of the electronic auction",
              "type": "string",
              "codelist": "codelists/auctionMethodDetails.csv",
              "openCodelist": false,
              "enum": [
                "open",
                "closed"
              ]
            },
            "auctionSubmissionOrder": {
              "title": "Order of submission",
              "description": "Primary and secondary orders of tenderes submissions prescribed for this stage of the electronic auction",
              "type": "array",
              "items": {
                "type": "string",
                "codelist": "codelists/auctionSubmissionOrder.csv",
                "openCodelist": false,
                "enum": [
                  "initialOfferAsc",
                  "initialOfferDesc",
                  "currentOfferAsc",
                  "currentOfferDesc",
                  "submissionTimeAsc",
                  "submissionTimeDesc",
                  "random",
                  "bidSubmissionTimeDesc",
                  "bidSubmissionTimeAsc"
                ]
              }
            },
            "auctionDirection": {
              "title": "Electronic auction direction",
              "description": "The direction of the available change of initial offers during this stage of the electronic auction",
              "type": "string",
              "codelist": "codelists/auctionDirection.csv",
              "openCodelist": false,
              "enum": [
                "ascending",
                "descending",
                "random"
              ]
            },
            "auctionAwardCriteria": {
              "title": "Electronic auction award criteria",
              "description": "Primary and secondary criteria of the evaluation of offers received within this stage of the electronic auction",
              "type": "array",
              "items": {
                "type": "string",
                "codelist": "codelists/auctionAwardCriteria.csv",
                "openCodelist": false,
                "enum": [
                  "priceOnly",
                  "qualityOnly",
                  "ratedCriteria",
                  "submissionTimeAsc",
                  "submissionTimeDesc",
                  "bidSubmissionTimeDesc",
                  "bidSubmissionTimeAsc"
                ]
              }
            },
            "disclosureCategory": {
              "title": "Disclosure rules",
              "description": "Disclosure rules for the offers received within this stage of the electronic auction",
              "type": "array",
              "codelist": "codelists/disclosureCategory.csv",
              "openCodelist": false,
              "enum": [
                "groupTenderers",
                "groupParticipants",
                "groupWinner"
              ]
            },
            "checkpoint": {
              "title": "Targets checkpoint",
              "description": "The event when the achievement of the targets has to be checked for this stage of the electronic auction",
              "type": "string",
              "codelist": "codelists/checkpoint.csv",
              "openCodelist": false,
              "enum": [
                "roundEnd",
                "bidReceived"
              ]
            }
          }
        }
      }
    },
    "Evidence": {
      "title": "Evidance",
      "description": "The data set describing some evidence",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier for this evidence",
          "type": "string"
        },
        "attribute": {
          "title": "Attribute",
          "descrpption": "The attribute of the object indicated with criterion.source for wich the value an exepcted will be considered as an evidence",
          "type": "string"
        },
        "value": {
          "title": "Value",
          "description": "Value which is expected as an evidence",
          "type": [
            "string",
            "number",
            "integer",
            "boolean"
          ]
        },
        "relatesTo": {
          "title": "Relates to",
          "description": "Where several evidences are expected to satisfy this evidence, the related tye of the source has to be specified here",
          "type": "string"
        },
        "relatedItem": {
          "title": "Related Item ID",
          "description": "Where 'relatesTo' is used, the precise unique id of the source has to be specified here",
          "type": "string"
        }
      }
    },
    "InvitationToAuction": {
      "title": "Invitation",
      "description": "The set data describing the category of the participants of this electronic auction to be invited to specific stage of such auction",
      "type": "",
      "properties": {
        "category": {
          "title": "Particiapnts catogory",
          "description": "The category of the participants who otentially can be invited. Described usin codelist",
          "type": "string",
          "codelist": "codelists/participantsCategory.csv",
          "openCodelist": false,
          "enum": [
            "groupParticipants",
            "groupTenderer",
            "groupWinner"
          ]
        },
        "auctionGroupID": {
          "title": "Auction group identifier",
          "description": "The unique identifier of the group of rounds under this electronic auction on which this action is relates (where action:gotoGroup)",
          "type": "string"
        }
      }
    },
    "Conversion": {
      "title": "Conversion",
      "description": "Conversion is used to describe conversions and its coefficients applicable for specific value received for requirement or observation",
      "type": "object",
      "doc":{
        "inheritance": {
          "@": {
            "description": "",
            "validationRules":{
              "VR-Conversion.@-001":{
                "relatesTo":"relatedItem",
                "rule":"Specified value found in an array of relevant schema-elements (lots/items)"
              },
              "VR-Conversion.@-002":{
                "relatesTo":"coefficients",
                "rule":"At least one group described for this conversion"
              },
              "VR-Conversion.@-003":{
                "relatesTo":"relatesTo",
                "rule":"Specified value is either 'item' or 'lot'"
              }
            },
            "properties": {
              "id":{
                "description": "An identifier for this conversion",
                "mandatory": true,
                "source": "System"
              },
              "rationale":{
                "description": "The free-text rationale of using of this conversion",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "description": {
                "description": "Any free-text description from PE for this conversion",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "relatesTo": {
                "mandatory": false,
                "source": "Procuring Entity",
                "description": "The schema element that the conversion applies. For example, the conversion may be defined against a requirement or against a metric."
              },
              "relatedItem": {
                "description": "Where 'relatesTo' is not empty this field must be populated with the id of the item in this tender section which the conversion relates to.",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "coefficients": {
                "description": "A list of [Coefficient] for this Conversion",
                "mandatory": true,
                "source": "Procuring Entity"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "An identifier for this conversion.",
          "type": [
            "integer",
            "string"
          ]
        },
        "relatesTo": {
          "title": "Related schema element",
          "description": "The schema element that the conversion applies. For example, the conversion may be defined against a requirement or against a metric.",
          "type": "string",
          "openCodelist": false,
          "codelist": "conversionRelatesTo.csv",
          "enum": [
            "requirement",
            "observation"
          ]
        },
        "relatedItem": {
          "title": "Related item",
          "description": "Where 'relatesTo' is not empty this field must be populated with the id of the item in this tender section which the conversion relates to.",
          "type": "string"
        },
        "rationale": {
          "title": "Conversion rationale",
          "description": "The free-text rationale of using of this conversion",
          "type": "string"
        },
        "description": {
          "title": "Conversion Details",
          "description": "Free text description of this conversion could be shared here",
          "type": "string"
        },
        "coefficients": {
          "title": "Coefficients",
          "description": "A list of any applicable [Coefficient] for this conversion",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Coefficient"
          }
        }
      }
    },
    "Coefficient": {
      "title": "Coefficient",
      "description": "A coefficient applied in case of the value of prescribed attribute matches",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "An identifier for this coefficient.",
          "type": [
            "integer",
            "string"
          ]
        },
        "value": {
          "title": "Requirement value",
          "description": "Value of related 'requirement' or one of available 'options' if applicable received through 'requirementResponse'",
          "type": [
            "integer",
            "number",
            "null"
          ]
        },
        "minValue": {
          "title": "Inducative minimum requirement value",
          "description": "Indicative minimum value of related 'requirement' or one of available 'options' if applicable received through 'requirementResponse'",
          "type": [
            "integer",
            "number",
            "null"
          ]
        },
        "maxValue": {
          "title": "Indicative maximum value",
          "description": "Indicative maximum value of related 'requirement' or one of available 'options' if applicable received through 'requirementResponse'",
          "type": [
            "integer",
            "number",
            "null"
          ]
        },
        "period": {
          "title": "Period",
          "description": "Used to specify a particular [Period] the conversion and its coefficients are applies to",
          "$ref": "#/definitions/Period"
        },
        "coefficient": {
          "title": "Coefficient",
          "description": "Precise value that has to be applied for conversion in specific case",
          "type": [
            "integer",
            "number",
            "null"
          ]
        },
        "formula": {
          "title": "Formula",
          "description": "Where mathematical formula is used to calculate precise value that has to be applied for conversion in specific case this field must be populated with such formula",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "Complaint": {
      "title": "Complaint",
      "description": "A complaint submitted against conditions or decision made",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier for this complaint",
          "type": [
            "string",
            "integer"
          ]
        },
        "date": {
          "title": "Submission date",
          "description": "Date of submission of this complaint",
          "type": "string",
          "format": "date-time"
        },
        "status": {
          "title": "Status",
          "description": "The current status of the complaint",
          "type": "string",
          "enum": [],
          "openCodelist": false,
          "codelist": "complaintStatuses.csv"
        },
        "relatesTo": {
          "title": "Relates to",
          "description": "The schema element that the complaint affects. For example complaint may be defined against lot or against prequalification",
          "type": "string",
          "enum": [
            "tender",
            "lot",
            "award",
            "prequalification"
          ],
          "openCodelist": false,
          "codelist": "complaintRelatesTo.csv"
        },
        "relatedItem": {
          "title": "Related item",
          "description": "The id of the schema element which the objection affects on. ",
          "type": "string"
        },
        "statusDetails": {
          "title": "Status details",
          "description": "The details of current status of the complaint",
          "type": "string",
          "enum": [],
          "openCodelist": false,
          "codelist": "complaintStatusDetails.csv"
        },
        "description": {
          "title": "Description",
          "description": "Free-text description for this complaint provided by complainer",
          "type": "string"
        },
        "complainer": {
          "title": "Complainer",
          "description": "An [OrganizationReference] for the Legal entity who have submitted this complaint",
          "$ref": "#/definitions/OrganizationReference"
        },
        "adressedTo": {
          "title": "Adressed to",
          "description": "Body challenged by this complait",
          "type": "string",
          "enum": [
            "reviewBody",
            "procuringEntity"
          ],
          "openCodelist": false,
          "codelist": "complaintAddressedTo.csv"
        },
        "milestones": {
          "title": "Milestones",
          "description": "A list of each [Milestone] associated with the complaint",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Milestone"
          }
        },
        "documents": {
          "title": "Documents",
          "description": "Each [Document] and attachments related to the complaint",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          }
        },
        "objections": {
          "title": "Objections",
          "description": "A list of precise subjects and requests under this complaint as an array of [Objection]",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Objection"
          }
        },
        "previousProceeding": {
          "title": "Previous proceeding",
          "description": "If this complaint is escalated from previous one sent to and rejected or declined by Procuring Entity, the id of such complaint could be specified to fulfill the requirements dual-stage review system",
          "type": "string"
        }
      }
    },
    "Review": {
      "title": "Review procedure",
      "description": "Review Procedure conducted agains one or more complaints",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier for this procedure",
          "type": [
            "string",
            "integer"
          ]
        },
        "date": {
          "title": "Initiation date",
          "description": "Date of initiation of this procedure",
          "type": "string",
          "format": "date-time"
        },
        "status": {
          "title": "Status",
          "description": "The current status of the procedure",
          "type": "string",
          "enum": [],
          "openCodelist": false,
          "codelist": "reviewProcedureStatuses.csv"
        },
        "statusDetails": {
          "title": "Status details",
          "description": "The details of current status of the procedure",
          "type": "string",
          "enum": [
            "negative",
            "partiallyPositive",
            "positive"
          ],
          "openCodelist": false,
          "codelist": "reviewProcedureStatusDetails.csv"
        },
        "relatedComplaints": {
          "title": "Related complaints",
          "description": "A list of the id's of complaints covered by this procedure",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "milestones": {
          "title": "Milestones",
          "description": "Each [Milestone] associated with the procedure",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Milestone"
          }
        },
        "documents": {
          "title": "Documents",
          "description": "Each [Document] and attachment related to the procedure",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          }
        },
        "objectionResponses": {
          "title": "Objection responses",
          "description": "A list of [ObjectionResponse] against all actions requested under relatede complaints",
          "type": "array",
          "items": {
            "$ref": "#/definitions/ObjectionResponse"
          }
        }
      }
    },
    "Objection": {
      "title": "Objection",
      "description": "A precise subject and requests expected to be responded",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier for this objection",
          "type": [
            "string",
            "integer"
          ]
        },
        "description": {
          "title": "Description",
          "description": "Bojections' brief description provided by complainer",
          "type": "string"
        },
        "status": {
          "title": "Status",
          "description": "The current status of the objection",
          "type": "string",
          "enum": [],
          "openCodelist": false,
          "codelist": "objectionStatuses.csv"
        },
        "statusDetails": {
          "title": "Status details",
          "description": "The details of current status of the objection",
          "type": "string",
          "enum": [],
          "openCodelist": false,
          "codelist": "objectionStatusDetails.csv"
        },
        "relatesTo": {
          "title": "Relates to",
          "description": "The schema element that the objection affects. For example objection may be defined against lot or against award",
          "type": "string",
          "enum": [
            "lot",
            "award"
          ],
          "openCodelist": false,
          "codelist": "objectionRelatesTo.csv"
        },
        "relatedItem": {
          "title": "Related item",
          "description": "The id of the schema element which the objection affects on. ",
          "type": "string"
        },
        "classification": {
          "title": "Classification",
          "description": "[Classification] according to Review Bodies' approach to systemize subjects of complaint",
          "$ref": "#/definitions/Classification"
        },
        "requestedActions": {
          "title": "Requested actions",
          "description": "A list of precise [RequestedAction] under this objection",
          "type": "array",
          "items": {
            "$ref": "#/definitions/RequestedAction"
          }
        }
      }
    },
    "RequestedAction": {
      "title": "Requested action",
      "description": "A precise action requested to satisfy an objection under complaint",
      "type": "object",
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier for this requested action",
          "type": [
            "string",
            "integer"
          ]
        },
        "type": {
          "title": "Type",
          "description": "The type of the requested action",
          "type": "string",
          "enum": [
            "interimMeasure",
            "setAside",
            "damages",
            "annulContract"
          ],
          "openCodelist": false,
          "codelist": "requestedActionTypes.csv"
        },
        "source": {
          "title": "Source",
          "description": "The party that will be obliged to take the requested action if the objection is satisfied",
          "type": "string",
          "enum": [
            "reviewBody",
            "procuringEntity"
          ],
          "openCodelist": false,
          "codelist": "requestedActionSource.csv"
        },
        "description": {
          "title": "Description",
          "description": "Free text description of the requested action provided by complainer",
          "type": "string"
        }
      }
    },
    "ObjectionResponse": {
      "properties": {
        "id": {
          "title": "Identifier",
          "description": "Unique identifier for this response on objection",
          "type": [
            "string",
            "integer"
          ]
        },
        "date": {
          "title": "Date",
          "description": "Date when response is published",
          "type": "string",
          "format": "date-time"
        },
        "requestedAction": {
          "title": "Requested action",
          "description": "An id of the requested action against whitch this response is published",
          "type": "string"
        },
        "decision": {
          "title": "Decision",
          "description": "The code of decision made",
          "type": "string",
          "enum": [
            "rejected",
            "satisfied"
          ],
          "openCodelist": false,
          "codelist": "objectionResopnseDecisions.csv"
        },
        "justification": {
          "title": "Justification",
          "description": "Free text justification for response provided by adressed Party",
          "type": "string"
        }
      }
    },
    "RelatedComplaint": {
      "title": "Related Complaint",
      "description": "The id of the related complaint",
      "type": "string"
    },
    "Planning": {
      "description": "Information from the planning phase of the contracting process. Note that many other fields may be filled in a planning release, in the appropriate fields in other schema sections, these would likely be estimates at this stage e.g. totalValue in tender",
      "type": "object",
      "doc":{
        "inheritance":{
          "fe":{
            "description":"",
            "properties":{
              "budget":{
                "description": "The aggregated budget with details",
                "mandatory": false,
                "source": "Initial needs"
              },
              "forecasts":{
                "description": "The general quantitive forecast of the scope of needs, established against nodes (lots) of this establishment",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "rationale":{
                "description": "The general free-text justification for the plan of this initiation",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "documents":{
                "description": "Any documents related to the plan of this initiation",
                "mandatory": false,
                "source": "Procuring Entity"
              }
            }
          }
        }
      },
      "properties": {
        "implementation": {
          "title": "Implementation",
          "description": "Information related to the implementation of the contract in accordance with the obligations laid out therein.",
          "$ref": "#/definitions/Implementation"
        },
        "budget": {
          "$ref": "#/definitions/Budget"
        },
        "rationale": {
          "title": "Rationale",
          "description": "The rationale for the procurement provided in free text. More detail can be provided in an attached document.",
          "type": [
            "string",
            "null"
          ]
        },
        "documents": {
          "title": "Documents",
          "description": "A list of documents related to the planning process.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          }
        },
        "milestones": {
          "title": "Planning milestones",
          "description": "A list of milestones associated with the planning stage.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Milestone"
          }
        },
        "forecasts": {
          "type": "array",
          "title": "Forecasts",
          "description": "Any forecasts metrics for this results of this contracting process.",
          "items": {
            "$ref": "#/definitions/Metric"
          },
          "uniqueItems": true
        },
        "project":{
          "title":"Project information",
          "description":"The project section can be used to describe the relationship between this contracting process and a project or programme of work.",
          "$ref": "#/definitions/Project"
        }
      }
    },
    "PreQualification": {
      "title": "Pre-qualification",
      "description": "Data regarding pre-qualification process - limiting the number of qualified bidders by reviewing each bidder's qualifications against a set of criteria.",
      "type": "object",
      "required": [
        "id"
      ],
      "doc":{
        "inheritance":{
          "fe":{
            "description":"",
            "validationRules":{
              "VR-PreQaulification.FE-001":{
                "relatesTo":"period",
                "rule":"Period starts not later than qualificationPeriod start"
              },
              "VR-PreQaulification.FE-002":{
                "relatesTo":"period",
                "rule":"Period ends not later than qualificationPeriod end"
              },
              "VR-PreQaulification.FE-003":{
                "relatesTo":"enquiryPeriod",
                "rule":"Period ends not later than period end"
              }
            },
            "properties":{
              "id":{
                "description":"",
                "mandatory":true,
                "source":"System"
              },
              "description":{
                "description":"",
                "mandatory":false,
                "source":"Procuring Entity"
              },
              "status":{
                "description":"",
                "mandatory":true,
                "source":"System"
              },
              "period":{
                "description":"",
                "mandatory":true,
                "source":"Procuring Entity"
              },
              "enquiryPeriod":{
                "description":"",
                "mandatory":true,
                "source":"Procuring Entity"
              },
              "qualificationPeriod":{
                "description":"",
                "mandatory":true,
                "source":"Procuring Entity"
              },
              "procuringEntity":{
                "description":"",
                "mandatory":true,
                "source":"Procuring Entity"
              },
              "documents":{
                "description":"",
                "mandatory":false,
                "source":"Procuring Entity"
              },
              "milestones":{
                "description":"",
                "mandatory":true,
                "source":"System"
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Pre-qualification ID",
          "description": "An identifier for this pre-qualification process. This may be the same as the ocid, or may be drawn from an internally held identifier for this process.",
          "type": [
            "string",
            "integer"
          ]
        },
        "title": {
          "title": "Pre-qualification title",
          "description": "Pre-qualification title",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Pre-qualification description",
          "description": "Pre-qualification description",
          "type": [
            "string",
            "null"
          ]
        },
        "status": {
          "title": "Pre-qualification status",
          "description": "The current status of the pre-qualification based on the preQualificationStatus codelist.",
          "type": [
            "string",
            "null"
          ],
          "codelist": "preQualificationStatus.csv",
          "openCodelist": false,
          "enum": [
            "planned",
            "active",
            "cancelled",
            "unsuccessful",
            "complete",
            null
          ]
        },
        "submissionMethod": {
          "title": "Submission method",
          "description": "Specify the method by which bids must be submitted, in person, written, or electronic auction. Using the [submission method codelist](http://standard.open-contracting.org/latest/en/schema/codelists/#submission-method)",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          }
        },
        "submissionMethodDetails": {
          "title": "Submission method details",
          "description": "Any detailed or further information on the submission method. This may include the address, e-mail address or online service to which bids should be submitted, and any special requirements to be followed for submissions.",
          "type": [
            "string",
            "null"
          ]
        },
        "period": {
          "title": "Pre-qualification period",
          "description": "The period when the pre-qualification is open for submissions. The end date is the closing date for pre-qualification submissions.",
          "$ref": "#/definitions/Period"
        },
        "enquiryPeriod": {
          "title": "Enquiry period",
          "description": "The period during which enquiries regarding the pre-qualification may be made and answered.",
          "$ref": "#/definitions/Period"
        },
        "hasEnquiries": {
          "title": "Has enquiries?",
          "description": "A true/false field to indicate whether any enquiries were received during the pre-qualification process",
          "type": [
            "boolean",
            "null"
          ]
        },
        "eligibilityCriteria": {
          "title": "Eligibility criteria",
          "description": "A description of any eligibility criteria for bidders to participate in the pre-qualification.",
          "type": [
            "string",
            "null"
          ]
        },
        "qualificationPeriod": {
          "title": "Qualification period",
          "description": "The date or period when candidates will are anticipated to be qualified or pre-selected (shortlisted).",
          "$ref": "#/definitions/Period"
        },
        "numberOfTenderers": {
          "title": "Number of tenderers",
          "description": "The number of entities who submit a response to the pre-qualification.",
          "type": [
            "integer",
            "null"
          ]
        },
        "tenderers": {
          "title": "Tenderers",
          "description": "All entities who submit a response to the pre-qualification.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          },
          "uniqueItems": true
        },
        "procuringEntity": {
          "title": "Procuring entity",
          "description": "The entity managing the procurement, which may be different from the buyer who is paying / using the items being procured.",
          "$ref": "#/definitions/OrganizationReference"
        },
        "documents": {
          "title": "Documents",
          "description": "All documents and attachments related to the pre-qualification, including any notices. See the [documentType codelist](http://standard.open-contracting.org/latest/en/schema/codelists/#document-type) for details of potential documents to include.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          }
        },
        "milestones": {
          "title": "Milestones",
          "description": "A list of milestones associated with the pre-qualification.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Milestone"
          }
        },
        "amendments": {
          "description": "An amendment is a formal change to the pre-qualification process, and generally involves the publication of a new RFQ notice/release. The rationale and a description of the changes made can be provided here.",
          "type": "array",
          "title": "Amendments",
          "items": {
            "$ref": "#/definitions/Amendment"
          }
        }
      }
    },
    "Tender": {
      "title": "Tender",
      "description": "Data regarding tender process - publicly inviting prospective contractors to submit bids for evaluation and selecting a winner or winners.",
      "type": "object",
      "doc": {
        "inheritance": {
          "fe": {
            "description": "",
            "validationRules":{
              "VR-Tender.FE-001":{
                "relatesTo":"awardCriteria",
                "rule":"Specified value is found in the relevant codelist"
              },
              "VR-Tender.FE-002":{
                "relatesTo":"submissionLanguages",
                "rule":"Specified value are found in the relevant codelist"
              },
              "VR-Tender.FE-003":{
                "relatesTo":"classification",
                "rule":"Specified value matches general classification of all the aggregated needs (relatedProcesses[*].relationship:\"planning\")  with first 4 digits"
              }
            },
            "properties": {
              "id": {
                "description": "An identifier for this tender process. This may be the same as the ocid, or may be drawn from an internally held identifier for this tender.",
                "mandatory": true,
                "source": "System"
              },
              "internalId": {
                "description": "An internal identifier of this tender process drawn from an internally held identifier for this tender.",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "title": {
                "description": "Title for this initiation",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "description": {
                "description": "Free-text description for this initiation",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "status": {
                "mandatory": true,
                "source": "System",
                "description": "Status of the initiation taken from [Codelists#FE statuses] accordig to the statechart diagram"
              },
              "procurementMethodModalities": {
                "description": "The set of modalities applied under this initiation. By default 'frameworkAgreement' is applied",
                "mandatory": true,
                "defaulValue": "frameworkAgreement",
                "source": "System"
              },
              "procurementMethod": {
                "description": "'selective' by default for this initiation",
                "mandatory": true,
                "defaulValue": "",
                "source": "System"
              },
              "procurementMethodDetails": {
                "description": "Procurement method details taken from codelist. For this type of initiation - 'frameworkEstablishment' as default",
                "mandatory": true,
                "defaultValue": "frameworkEstablishment",
                "source": "System",
                "class":""
              },
              "procurementMethodRationale": {
                "description": "Free-text justification of procurement method used",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "mainProcurementCategory": {
                "description": "Procurement category, detected automatically on classification of the object of procurement and specified according [Codelists#Procurement categories]",
                "mandatory": true,
                "source": "System"
              },
              "awardCriteria": {
                "description": "The award criteria for this initiation against [Codelists#Award criteria]",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "awardCriteriaDetails": {
                "description": "Free-text descrition of applied award criteria",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "submissionMethod": {
                "description": "The method by which bids must be submitted. For this type of initiation - 'electronicSubmission' by default",
                "mandatory": true,
                "source": "System"
              },
              "submissionMethodDetails": {
                "description": "Any detailed or further information on the submission method.",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "eligibilityCriteria": {
                "description": "A description of any eligibility criteria for potential suppliers",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "procuringEntity": {
                "description": "Reference to the Procuring entitys' profile as an [OrganizationReference]",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "documents": {
                "description": "Any documents related to this initiation or it's part as an array of [Document]",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "milestones": {
                "description": "A process schedule for this initiation according to the prescribed flow. The precise dates can be adjust according to whose provided by Procuring Entity",
                "mandatory": true,
                "source": "System"
              },
              "participationFees": {
                "description": "Information about fees are appplied",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "criteria": {
                "description": "Set of exclusion grounds and selection criteria prepared for the selection and evaluation under this initiation. The 'criteria' relates to both Tenderer and his offered goods/services",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "classification": {
                "description": "The primary classification for the initiation taken automatically from the general classification of [Aggregated needs]",
                "mandatory": true,
                "source": "System"
              },
              "submissionLanguages": {
                "description": "Language(s) in which tenderers may submit under this initiation",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "coveredBy": {
                "description": "The treaties, laws, regulations or other instruments that the initiation is covered by, extracted automatically against country of jurisdiction",
                "mandatory": true,
                "source": "System"
              }
            }
          },
          "pcr": {
            "description": "",
            "properties": {
              "id": {
                "description": "ID for this release",
                "mandatory": true,
                "source": "System"
              },
              "internalId": {
                "description": "Internal identifier for this PCR according to Procuring Entity classification",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "title": {
                "description": "Title for this PCR",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "description": {
                "description": "Free-text relevant description for this PCR",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "status": {
                "mandatory": true,
                "source": "System",
                "description": "Status of PCR from [Codelists#PCR statuses|codelist] according to state-chart diagram"
              },
              "procurementMethodModalities": {
                "description": "The set of modalities for this PCR",
                "mandatory": true,
                "defaulValue": "requiresElectronicCatalogue",
                "source": "System"
              },
              "procurementMethod": {
                "description": "Procurement method specified by default",
                "defaultValue": "selective",
                "mandatory": true,
                "source": "System"
              },
              "procurementMethodDetails": {
                "description": "The machine-readable name of the initiated process",
                "mandatory": true,
                "defaultValue": "preAwardCatalogue",
                "source": "System"
              },
              "procurementMethodRationale": {
                "description": "Free-text justification of applied procurement method by Procuring Entity",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "mainProcurementCategory": {
                "description": "Main procurement category indicated according to the classification of the subject of procurement",
                "mandatory": true,
                "source": "System"
              },
              "tenderPeriod": {
                "description": "The period for submission of the pre-award catalogues by invited suppliers",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "awardPeriod": {
                "description": "",
                "mandatory": true,
                "source": "Procuring Entity"
              },
              "enquiryPeriod": {
                "description": "The period for enquiries from invited suppliers",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "procuringEntity": {
                "description": "Reference to the entity resonsible for this PCR",
                "mandatory": true,
                "source": "[Establishment]"
              },
              "documents": {
                "description": "Any documents attached to this PCR by PE",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "milestones": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "participationFees": {
                "description": "",
                "mandatory": false,
                "source": "Procuring Entity"
              },
              "classification": {
                "description": "Classification of group of goods requested by this PCR under current category. Usually it is a certain group detailed up to 6th CPV digit - code of one of nodes of establishment",
                "mandatory": true,
                "source": "[FE Data-model#Nodes]"
              }
            }
          },
          "po": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "internalId": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "title": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "description": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "status": {
                "mandatory": "",
                "source": "",
                "description": "[Codelists#PCR statuses]"
              },
              "procurementMethodModalities": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "items": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "value": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "procurementMethod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "procurementMethodDetails": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "procurementMethodRationale": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "mainProcurementCategory": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "additionalProcurementCategories": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "awardCriteria": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "awardCriteriaDetails": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "submissionMethod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "submissionMethodDetails": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "tenderPeriod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "enquiryPeriod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "hasEnquiries": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "enquiries": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "eligibilityCriteria": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "awardPeriod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "contractPeriod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "numberOfTenderers": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "tenderers": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "procuringEntity": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "documents": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "milestones": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "amendments": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "lots": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "lotDetails": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "lotGroups": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "participationFees": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "criteria": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "classification": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "reviewPeriod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "standstillPeriod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "submissionLanguages": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "targets": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "auctionPeriod": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "procurementMethodModalitiesDetails": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "conversions": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "complaints": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "recurrence": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "coveredBy": {
                "description": "",
                "mandatory": "",
                "source": ""
              }
            }
          },
          "node":{
            "description":"Nodes are certain groups of goods described by Procuring Entity under particular category, classified with 6th digit of CPV",
            "properties":{
              "lotDetails":{
                "description":"Any free-text details of any criteria that apply to bidding on these lots",
                "mandatory":false,
                "source":"Procuring Entity"
              },
              "lotGroups":{
                "description":"Where Procuring Entity reserves the right to combine lots a lot group is used to capture this information.",
                "mandatory":false,
                "source":"Procuring Entity"
              },
              "lots":{
                "description":"The set of certain groups of goods to be procured",
                "mandatory":true,
                "source":"Procuring Entity"
              },
              "documents":{
                "description":"Any documents related to nodes",
                "mandatory":false,
                "source":"Procuring Entity"
              } 
            }
          },
          "position":{
            "description":"Positions - number of specific positions (known in advance), related to one or more profiles described under this PCR and expected to be proposed by invited suppliers with actual unit prices and conditions of delivery by submitting their pre-award catalogues",
            "properties":{
              "targets":{
                "description":"",
                "mandatory":true,
                "source":"Procuring Entity"
              },
              "items":{
                "description":"",
                "mandatory":true,
                "source":"Procuring Entity"
              },
              "documents":{
                "description":"Any documents related to item",
                "mandatory":false,
                "source":"Procuring Entity"
              } 
            }
          },
          "profile":{
            "description":"Profiles - are varieties defined by Procuring Entity for this node together with related targets and criteria under specific pre-award catalogue request",
            "properties":{
              "criteria":{
                "description":"",
                "mandatory":"",
                "source":""
              },
              "lotDetails":{
                "description":"",
                "mandatory":"",
                "source":""
              },
              "lotGroups":{
                "description":"",
                "mandatory":"",
                "source":""
              },
              "lots":{
                "description":"",
                "mandatory":"",
                "source":""
              },
              "targets":{
                "description":"",
                "mandatory":"",
                "source":""
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Tender ID",
          "description": "An identifier for this tender process. This may be the same as the ocid",
          "type": [
            "string",
            "integer"
          ]
        },
        "internalId": {
          "title": "",
          "description": "An internal identifier of this tender process drawn from an internally held identifier for this tender.",
          "type": [
            "string",
            "integer"
          ]
        },
        "title": {
          "title": "Tender Title",
          "description": "Tender title",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Tender description",
          "description": "Tender description",
          "type": [
            "string",
            "null"
          ]
        },
        "status": {
          "title": "Tender status",
          "description": "The current status of the tender based on the [tenderStatus codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#tender-status)",
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "planned",
            "active",
            "cancelled",
            "unsuccessful",
            "complete"
          ],
          "openCodelist": false
        },
        "procurementMethodModalities": {
          "title": "Procurement method modalities",
          "description": "The modalities of the procurement method.",
          "type": "array",
          "enum": [
            "accelerated",
            "electronicAuction",
            "joint",
            "negotiated",
            "optionallyNegotiated",
            "staged"
          ],
          "openCodelist": true
        },
        "items": {
          "title": "Items to be procured",
          "description": "The goods and services to be purchased, broken into line items wherever possible. Items should not be duplicated, but a quantity of 2 specified instead.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Item"
          },
          "uniqueItems": true
        },
        "value": {
          "title": "Value",
          "description": "The total upper estimated value of the procurement. A negative value indicates that the contracting process may involve payments from the supplier to the buyer (commonly used in concession contracts).",
          "$ref": "#/definitions/Value"
        },
        "procurementMethod": {
          "title": "Procurement method",
          "description": "Specify tendering method against the [method codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#method) as per [GPA definitions](http://www.wto.org/english/docs_e/legal_e/rev-gpr-94_01_e.htm) of Open, Selective, Limited",
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "open",
            "selective",
            "limited",
            null
          ],
          "codelist": "method.csv",
          "openCodelist": false
        },
        "procurementMethodDetails": {
          "title": "Procurement method details",
          "description": "Additional detail on the procurement method used. This field may be used to provide the local name of the particular procurement method used.",
          "type": [
            "string",
            "null"
          ]
        },
        "procurementMethodRationale": {
          "title": "Procurement method rationale",
          "description": "Rationale of procurement method, especially in the case of Limited tendering.",
          "type": [
            "string",
            "null"
          ]
        },
        "mainProcurementCategory": {
          "title": "Procurement category",
          "description": "The primary category describing the object of this contracting process from the [procurementCategory](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#procurement-category) codelist (e.g. supplies, works, services, consultingServices or mixed).",
          "type": [
            "string",
            "null"
          ],
          "codelist": "procurementCategory.csv",
          "openCodelist": false
        },
        "additionalProcurementCategories": {
          "title": "",
          "description": "",
          "type": "array",
          "enum": [
            "goods",
            "works",
            "services"
          ]
        },
        "awardCriteria": {
          "title": "Award criteria",
          "description": "Specify the award criteria for the procurement, using the [award criteria codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#award-criteria)",
          "type": [
            "string",
            "null"
          ],
          "codelist": "awardCriteria.csv",
          "openCodelist": true
        },
        "awardCriteriaDetails": {
          "title": "Award criteria details",
          "description": "Any detailed or further information on the award or selection criteria.",
          "type": [
            "string",
            "null"
          ]
        },
        "submissionMethod": {
          "title": "Submission method",
          "description": "Specify the method by which bids must be submitted, in person, written, or electronic auction. Using the [submission method codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#submission-method)",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          },
          "codelist": "submissionMethod.csv",
          "openCodelist": true
        },
        "submissionMethodDetails": {
          "title": "Submission method details",
          "description": "Any detailed or further information on the submission method. This may include the address, e-mail address or online service to which bids should be submitted, and any special requirements to be followed for submissions.",
          "type": [
            "string",
            "null"
          ]
        },
        "tenderPeriod": {
          "title": "Tender period",
          "description": "The period when the tender is open for submissions. The end date is the closing date for tender submissions.",
          "$ref": "#/definitions/Period"
        },
        "enquiryPeriod": {
          "title": "Enquiry period",
          "description": "The period during which potential bidders may submit questions and requests for clarification to the entity managing procurement. Details of how to submit enquiries should be provided in attached notices, or in submissionMethodDetails. Structured dates for when responses to questions will be made can be provided using tender milestones.",
          "$ref": "#/definitions/Period"
        },
        "enquiries": {
          "title": "Enquiries",
          "type": [
            "array",
            "null"
          ],
          "description": "Questions sent to the procuring entity, and the answers given",
          "items": {
            "$ref": "#/definitions/Enquiry"
          },
          "uniqueItems": true
        },
        "hasEnquiries": {
          "title": "Has enquiries?",
          "description": "A true/false field to indicate whether any enquiries were received during the tender process. Structured information on enquiries that were received, and responses to them, can be provided using the enquiries extension.",
          "type": [
            "boolean",
            "null"
          ]
        },
        "eligibilityCriteria": {
          "title": "Eligibility criteria",
          "description": "A description of any eligibility criteria for potential suppliers.",
          "type": [
            "string",
            "null"
          ]
        },
        "awardPeriod": {
          "title": "Evaluation and award period",
          "description": "The period for adjudication and selection of the contract award. The end date should be the date on which an award is due to be finalised. The start date may be used to indicate the start of an evaluation period.",
          "$ref": "#/definitions/Period"
        },
        "contractPeriod": {
          "description": "The period over which the contract is estimated or required to be active. If the tender does not specify explicit dates, the duration field may be used.",
          "title": "Contract period",
          "$ref": "#/definitions/Period"
        },
        "numberOfTenderers": {
          "title": "Number of tenderers",
          "description": "The number of entities who submit a tender.",
          "type": [
            "integer",
            "null"
          ]
        },
        "tenderers": {
          "title": "Tenderers",
          "description": "All entities who submit a bid on a tender. More detailed information on bids and the bidding organisation can be provided using the optional bid extension.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          },
          "uniqueItems": true
        },
        "procuringEntity": {
          "title": "Procuring entity",
          "description": "The entity managing the procurement, which may be different from the buyer who is paying / using the items being procured.",
          "$ref": "#/definitions/OrganizationReference"
        },
        "documents": {
          "title": "Documents",
          "description": "All documents and attachments related to the tender, including any notices. See the [documentType codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#document-type) for details of potential documents to include.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          }
        },
        "milestones": {
          "title": "Milestones",
          "description": "A list of milestones associated with the tender.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Milestone"
          }
        },
        "amendments": {
          "description": "A tender amendment is a formal change to the tender, and generally involves the publication of a new tender notice/release. The rationale and a description of the changes made can be provided here.",
          "type": "array",
          "title": "Amendments",
          "items": {
            "$ref": "#/definitions/Amendment"
          }
        },
        "lots": {
          "title": "Lots",
          "description": "A tender process may be divided into lots, where bidders can bid on one or more lots. Details of each lot can be provided here. Items, documents and other features can then reference the lot they are related to using relatedLot. Where no relatedLot identifier is given, the values should be interpreted as applicable to the whole tender. Properties of tender can be overridden for a given Lot through their inclusion in the Lot object.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Lot"
          }
        },
        "lotDetails": {
          "$ref": "#/definitions/LotDetails"
        },
        "lotGroups": {
          "title": "Lot groups",
          "description": "Where the buyer reserves the right to combine lots, or wishes to specify the total value for a group of lots, a lot group is used to capture this information.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/LotGroup"
          }
        },
        "participationFees": {
          "title": "Participation fees",
          "description": "Any fees applicable to bidders wishing to participate in the tender process. Fees may apply for access to bidding documents, for the submission of bids or there may be a win fee payable by the successful bidder.",
          "type": "array",
          "mergeStrategy": "ocdsVersion",
          "items": {
            "$ref": "#/definitions/ParticipationFee"
          },
          "uniqueItems": true
        },
        "criteria": {
          "description": "A list of criteria on which either bidders or items will be judged, evaluated or assessed.",
          "type": "array",
          "mergeStrategy": "arrayMergeById",
          "mergeOptions": {
            "idRef": "id"
          },
          "items": {
            "$ref": "#/definitions/Criterion"
          }
        },
        "classification": {
          "title": "Classification",
          "description": "The primary classification for the tender. Required by the EU. Uses CPV Codelist See the [itemClassificationScheme](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#item-classification-scheme).",
          "$ref": "#/definitions/Classification"
        },
        "reviewPeriod": {
          "title": "Review period",
          "description": "The period during which the decision of the procuring entity to award a contract can be challenged.",
          "$ref": "#/definitions/Period"
        },
        "standstillPeriod": {
          "title": "Standstill period",
          "description": "The duration of the applicable standstill period following a challenge or appeal of decisions or actions taken by the procuring entity that are allegedly not in compliance with the provisions of the Law",
          "$ref": "#/definitions/Period"
        },
        "submissionLanguages": {
          "title": "Submission Languages",
          "description": "Language(s) in which tenderers may submit, drawn from the [submissionLanguages codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#submission-languages)",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          },
          "enum": [
            "bg",
            "es",
            "cs",
            "da",
            "de",
            "et",
            "el",
            "en",
            "fr",
            "ga",
            "hr",
            "it",
            "lv",
            "lt",
            "hu",
            "mt",
            "nl",
            "pl",
            "pt",
            "ro",
            "sk",
            "sl",
            "fi",
            "sv",
            null
          ],
          "codelist": "submissionLanguages.csv",
          "openCodelist": false
        },
        "targets": {
          "type": "array",
          "title": "Targets",
          "description": "Any target metrics for this results of this contracting process.",
          "items": {
            "$ref": "#/definitions/Metric"
          },
          "uniqueItems": true
        },
        "auctionPeriod": {
          "title": "Auction period",
          "description": "General auction period for the contracting process",
          "$ref": "#/definitions/Period"
        },
        "procurementMethodModalitiesDetails": {
          "title": "Procurement Method Modalities Details",
          "description": "The prescribed presets of settings and adjustments for the differement procurement methods modalities applied under this contracting process",
          "type": "object",
          "properties": {
            "electronicAuction": {
              "title": "Electronic Auction Modalities",
              "description": "The prescribed presets of settings and adjustments available for the electronic auction as one one of the procurement methods modalities applied under this contracting process",
              "type": "array",
              "items": {
                "$ref": "#/definitions/electronicAuctionModalities"
              }
            }
          }
        },
        "conversions": {
          "title": "Conversions",
          "description": "A list of weightings for the used criteria or applicable options",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Conversion"
          }
        },
        "complaints": {
          "title": "Comlaints",
          "description": "Any comlaints related to this tender",
          "type": "array",
          "items": {
            "$ref": "#/definitions/RelatedComplaint"
          }
        },
        "recurrence": {
          "title": "Recurrence",
          "description": "Information on the recurrence of the contracting process.",
          "$ref": "#/definitions/Recurrence"
        },
        "coveredBy": {
          "title": "Covered by",
          "description": "The treaties, laws, regulations or other instruments that the contracting process is covered by.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          },
          "codelist": "coveredBy.csv",
          "openCodelist": true,
          "uniqueItems": true
        }
      }
    },
    "ReviewProceedings": {
      "title": "Review Proceedings",
      "description": "General information related to reviews under this contracting process together with collected complaints and reviews",
      "type": "object",
      "properties": {
        "complaints": {
          "title": "Complaints",
          "description": "Complaints to the conditions and decisions",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Complaint"
          }
        },
        "reviews": {
          "title": "Reviews",
          "description": "Review Procedures conducted due to complaints received",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Review"
          }
        }
      }
    },
    "Award": {
      "title": "Award",
      "description": "An award for the given procurement. There may be more than one award per contracting process e.g. because the contract is split amongst different providers, or because it is a standing offer.",
      "type": "object",
      "required": [
        "id"
      ],
      "doc": {
        "inheritance": {
          "fe": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "description": {
                "description": "Where contract award notice is unsucclessful - the reason should be sepcified here (based on predefined systems' values)",
                "mandatory": false,
                "source": "System"
              },
              "status": {
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "statusDetails":{
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "date": {
                "description": "",
                "mandatory": "",
                "defaulValue": "",
                "source": "System"
              },
              "suppliers": {
                "description": "",
                "mandatory": "",
                "defaultValue": "",
                "source": "System"
              },
              "InternalId": {
                "description": "",
                "mandatory": "",
                "source": "System"
              },
              "contractPeriod": {
                "description": "",
                "mandatory": "",
                "source": "System"
              },
              "documents": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              }
            }
          },
          "po": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": "",
                "source": "System"
              },
              "internalId": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "title": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "description": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "status": {
                "mandatory": "",
                "source": "System",
                "description": "[Codelists#FE statuses]"
              },
              "statusDetails":{
                
              },
              "date": {
                "description": "",
                "mandatory": "",
                "defaulValue": "frameworkAgreement",
                "source": "System"
              },
              "value": {
                "description": "open/selective depending on natur eof this initiation",
                "mandatory": "",
                "defaulValue": "",
                "source": "System"
              },
              "suppliers": {
                "description": "",
                "mandatory": "",
                "defaultValue": "frameworkEstablishment",
                "source": "System"
              },
              "items": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "contractPeriod": {
                "description": "",
                "mandatory": "",
                "source": "System"
              },
              "documents": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "relatedLots": {
                "description": "",
                "mandatory": "",
                "source": ""
              },
              "requirementResponses": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "agreedMetrics": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "relatedBid":{
                "description": "",
                "mandatory": "",
                "source": ""
              }
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Award ID",
          "description": "The identifier for this award. It must be unique and cannot change within the Open Contracting Process it is part of (defined by a single ocid). See the [identifier guidance](http://standard.open-contracting.org/1.1-dev/en/schema/identifiers/) for further details.",
          "type": [
            "string",
            "integer"
          ]
        },
        "internalId": {
          "title": "",
          "description": "",
          "type": [
            "string",
            "integer"
          ]
        },
        "title": {
          "title": "Title",
          "description": "Award title",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Description",
          "description": "Award description",
          "type": [
            "string",
            "null"
          ]
        },
        "status": {
          "title": "Award status",
          "description": "The current status of the award drawn from the [awardStatus codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#award-status)",
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "pending",
            "active",
            "cancelled",
            "unsuccessful",
            null
          ],
          "codelist": "awardStatus.csv",
          "openCodelist": false
        },
        "date": {
          "title": "Award date",
          "description": "The date of the contract award. This is usually the date on which a decision to award was made.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "value": {
          "title": "Value",
          "description": "The total value of this award. In the case of a framework contract this may be the total estimated lifetime value, or maximum value, of the agreement. There may be more than one award per procurement. A negative value indicates that the award may involve payments from the supplier to the buyer (commonly used in concession contracts).",
          "$ref": "#/definitions/Value"
        },
        "suppliers": {
          "title": "Suppliers",
          "description": "The suppliers awarded this award. If different suppliers have been awarded different items of values, these should be split into separate award blocks.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/OrganizationReference"
          },
          "uniqueItems": true
        },
        "items": {
          "title": "Items awarded",
          "description": "The goods and services awarded in this award, broken into line items wherever possible. Items should not be duplicated, but the quantity specified instead.",
          "type": "array",
          "minItems": 1,
          "items": {
            "$ref": "#/definitions/Item"
          },
          "uniqueItems": true
        },
        "contractPeriod": {
          "title": "Contract period",
          "description": "The period for which the contract has been awarded.",
          "$ref": "#/definitions/Period"
        },
        "documents": {
          "title": "Documents",
          "description": "All documents and attachments related to the award, including any notices.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          },
          "uniqueItems": true
        },
        "amendments": {
          "description": "An award amendment is a formal change to the details of the award, and generally involves the publication of a new award notice/release. The rationale and a description of the changes made can be provided here.",
          "type": "array",
          "title": "Amendments",
          "items": {
            "$ref": "#/definitions/Amendment"
          }
        },
        "relatedLots": {
          "title": "Related lot(s)",
          "description": "If this award relates to one or more specific lots, provide the identifier(s) of the related lot(s) here.",
          "type": [
            "array"
          ],
          "items": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "requirementResponses": {
          "type": "array",
          "mergeStrategy": "arrayMergeById",
          "mergeOptions": {
            "idRef": "id"
          },
          "items": {
            "$ref": "#/definitions/RequirementResponse"
          },
          "unqiueItems": true
        },
        "complaints": {
          "title": "Comlaints",
          "description": "Any comlaints related to this award",
          "type": "array",
          "items": {
            "$ref": "#/definitions/RelatedComplaint"
          }
        },
        "statusDetails": {
          "title": "Status details",
          "description": "Additional details of an award status.",
          "type": "string"
        },
        "agreedMetrics": {
          "type": "array",
          "title": "Agreed metrics",
          "description": "Any target metrics set out as part of the contract award.",
          "items": {
            "$ref": "#/definitions/Metric"
          },
          "uniqueItems": true
        },
        "relatedBid": {
          "title": "Related Bid",
          "description": "Where bid details are used, a cross reference to the entry in the bids array to which this award relates. Provide the bid identifier here",
          "type": [
            "string",
            "integer"
          ]
        }
      }
    },
    "Contract": {
      "type": "object",
      "title": "Contract",
      "description": "Information regarding the signed contract between the buyer and supplier(s).",
      "required": [
        "id",
        "awardID"
      ],
      "doc": {
        "inheritance": {
          "fe": {
            "description": "",
            "properties": {
              "id": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "internalId": {
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "awardId":{
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "extendsContractID":{
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "description": {
                "description": "Where contract award notice is unsucclessful - the reason should be sepcified here (based on predefined systems' values)",
                "mandatory": false,
                "source": "System"
              },
              "status": {
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "statusDetails":{
                "mandatory": true,
                "source": "System",
                "description": ""
              },
              "period":{
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "dateSigned":{
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "implementation":{
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "milestones":{
                "description": "",
                "mandatory": true,
                "source": "System"
              },
              "date": {
                "description": "",
                "mandatory": "",
                "defaulValue": "",
                "source": "System"
              },
              "suppliers": {
                "description": "",
                "mandatory": "",
                "defaultValue": "",
                "source": "System"
              },
              "documents": {
                "description": "",
                "mandatory": "",
                "source": "Procuring Entity"
              },
              "requirementResponses":{},
              "isFrameworkOrDynamic":{},
              "agreedMetrics":{}
            }
          },
          "po": {
            "description": "",
            "properties": {
              "id":{},
              "internalId":{},
              "extendsContractID":{},
              "description":{},
              "status":{},
              "statusDetails":{},
              "period":{},
              "value":{},
              "items":{},
              "dateSigned":{},
              "date":{},
              "documents":{},
              "implementation":{},
              "relatedProcesses":{},
              "milestones":{},
              "requirementResponses":{},
              "isFrameworkOrDynamic":{},
              "agreedMetrics":{}
            }
          }
        }
      },
      "properties": {
        "id": {
          "title": "Contract ID",
          "description": "The identifier for this contract. It must be unique and cannot change within its Open Contracting Process (defined by a single ocid). See the [identifier guidance](http://standard.open-contracting.org/1.1-dev/en/schema/identifiers/) for further details.",
          "type": [
            "string",
            "integer"
          ]
        },
        "internalId": {
          "title": "",
          "description": "",
          "type": [
            "string",
            "integer"
          ]
        },
        "awardID": {
          "title": "Award ID",
          "description": "The award.id against which this contract is being issued.",
          "type": [
            "string",
            "integer"
          ]
        },
        "extendsContractID": {
          "title": "Extends contract ID",
          "description": "If this contract extends or amends a previously issued contract, then the contract.id value for the extended/amended contract can be provided here.",
          "type": [
            "string"
          ]
        },
        "title": {
          "title": "Contract title",
          "description": "Contract title",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Contract description",
          "description": "Contract description",
          "type": [
            "string",
            "null"
          ]
        },
        "status": {
          "title": "Contract status",
          "description": "The current status of the contract. Drawn from the [contractStatus codelist](http://standard.open-contracting.org/1.1-dev/en/schema/codelists/#contract-status)",
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "pending",
            "active",
            "cancelled",
            "terminated",
            null
          ],
          "codelist": "contractStatus.csv",
          "openCodelist": false
        },
        "statusDetails":{},
        "period": {
          "title": "Period",
          "description": "The start and end date for the contract.",
          "$ref": "#/definitions/Period"
        },
        "value": {
          "title": "Value",
          "description": "The total value of this contract. A negative value indicates that the contract will involve payments from the supplier to the buyer (commonly used in concession contracts).",
          "$ref": "#/definitions/Value"
        },
        "items": {
          "title": "Items contracted",
          "description": "The goods, services, and any intangible outcomes in this contract. Note: If the items are the same as the award do not repeat.",
          "type": "array",
          "minItems": 1,
          "items": {
            "$ref": "#/definitions/Item"
          },
          "uniqueItems": true
        },
        "dateSigned": {
          "title": "Date signed",
          "description": "The date the contract was signed. In the case of multiple signatures, the date of the last signature.",
          "type": [
            "string",
            "null"
          ],
          "format": "date-time"
        },
        "date":{},
        "documents": {
          "title": "Documents",
          "description": "All documents and attachments related to the contract, including any notices.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Document"
          },
          "uniqueItems": true
        },
        "implementation": {
          "title": "Implementation",
          "description": "Information related to the implementation of the contract in accordance with the obligations laid out therein.",
          "$ref": "#/definitions/Implementation"
        },
        "relatedProcesses": {
          "uniqueItems": true,
          "items": {
            "$ref": "#/definitions/RelatedProcess"
          },
          "description": "If this process is followed by one or more contracting processes, represented under a separate open contracting identifier (ocid) then details of the related process can be provided here. This is commonly used to point to subcontracts, or to renewal and replacement processes for this contract.",
          "title": "Related processes",
          "type": "array"
        },
        "milestones": {
          "title": "Contract milestones",
          "description": "A list of milestones associated with the finalisation of this contract.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Milestone"
          }
        },
        "amendments": {
          "description": "A contract amendment is a formal change to, or extension of, a contract, and generally involves the publication of a new contract notice/release, or some other documents detailing the change. The rationale and a description of the changes made can be provided here.",
          "type": "array",
          "title": "Amendments",
          "items": {
            "$ref": "#/definitions/Amendment"
          }
        },
        "requirementResponses": {
          "type": "array",
          "mergeStrategy": "arrayMergeById",
          "mergeOptions": {
            "idRef": "id"
          },
          "items": {
            "$ref": "#/definitions/RequirementResponse"
          },
          "unqiueItems": true
        },
        "isFrameworkOrDynamic": {
          "title": "Is Framework Or Dynamic?",
          "description": "Contracts within a framework agreement or a dynamic purchasing system are being awarded. Required by the EU",
          "type": [
            "boolean",
            "null"
          ]
        },
        "agreedMetrics": {
          "type": "array",
          "title": "Agreed metrics",
          "description": "Any target metrics set out as part of the contract documents.",
          "items": {
            "$ref": "#/definitions/Metric"
          },
          "uniqueItems": true
        }
      }
    },
    "Project": {
      "title": "Project information",
      "description": "A project or programme of work.",
      "type": "object",
      "properties": {
        "id": {
          "title": "Project identifier",
          "description": "An externally provided identifier for the project. This might be drawn from a projects register, or may be based on the canonical version of a project name. Project IDs should be unique to a publisher. URIs can be used. ",
          "type": [
            "string",
            "null"
          ]
        },
        "title": {
          "title": "Project title",
          "description": "The name of the project to which this contracting process relates. Some organizations maintain a registry of projects, and the data should use the name by which the project is known in that registry. ",
          "type": [
            "string",
            "null"
          ]
        },
        "description": {
          "title": "Project description",
          "description": "A short free text description of the project.",
          "type": [
            "string",
            "null"
          ]
        },
        "totalValue": {
          "title": "Total project value",
          "description": "The total anticipated value of the project over it's lifetime. ",
          "$ref": "#/definitions/Value"
        },
        "uri": {
          "title": "Linked project information",
          "description": "A URI pointing to further information about this project.",
          "type": [
            "string",
            "null"
          ],
          "format": "uri"
        },
        "sector": {
          "title": "Project sector",
          "description": "A high-level categorization of the main sector this procurement process relates to. Use of [UN COFOG codes](https://unstats.un.org/unsd/publications/catalogue?selectID=145), with 'COFOG' as the classification scheme, and the numerical COFOG code is recommended for the primary sector classification.",
          "$ref": "#/definitions/Classification"
        },
        "additionalClassifications": {
          "title": "Additional sector classifications",
          "description": "Additional project classification, by other sector classifications, or using other classification schemes (e.g. against a strategic framework).",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Classification"
          },
          "uniqueItems": true,
          "wholeListMerge": true
        },
        "locations": {
          "title": "Project location",
          "description": "Information about the location where a project is taking place.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Location"
          },
          "uniqueItems": true,
          "wholeListMerge": true
        }
      }
    }
  }
}