Update Georgia tax logic

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.2.7] - 2023-11-14 17:00:00
+
+### Added
+
+- Updates Georgia tax logic for credits and additions/ subtractions
+
 ## [0.2.6] - 2023-11-14 17:00:00
 
 ### Added
@@ -191,6 +197,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - First prototype version based off of openfisca-us and tax-calculator.
 
 
+[0.2.7]: https://github.com/TheCGO/fiscalsim-us/compare/v0.2.6...v0.2.7
 [0.2.6]: https://github.com/TheCGO/fiscalsim-us/compare/v0.2.5...v0.2.6
 [0.2.5]: https://github.com/TheCGO/fiscalsim-us/compare/v0.2.4...v0.2.5
 [0.2.4]: https://github.com/TheCGO/fiscalsim-us/compare/v0.2.3...v0.2.4

changelog.yaml

@@ -174,3 +174,7 @@
     added:
       - Updates Montana tax logic
   date: 2023-11-14 17:00:00
+- bump: patch
+  changes:
+    added:
+      - Updates Georgia tax logic for credits and additions/ subtractions

fiscalsim_us/parameters/gov/states/ga/tax/income/additions/additions.yaml

@@ -2,6 +2,8 @@ description: Georgia adds these variables to the federal taxable income when com
 values:
   2021-01-01:
     - form_4972_lumpsum_distributions
+    - ga_nol_carryover_addition
+    - ga_other_additions
 
 metadata:
   unit: list

fiscalsim_us/parameters/gov/states/ga/tax/income/credits/nonrefundable.yaml

@@ -0,0 +1,14 @@
+description: Georgia nonrefundable credits
+values:
+  2021-01-01:
+    - ga_low_income_credit
+    - ga_other_nonrefundable_credits
+    - ga_cdcc
+    - ga_series100_nonrefundable_credits
+
+metadata:
+  unit: list
+  label: Georgia nonrefundable credits
+  reference:
+    - title: 2022 Form 500 Instructions
+      href: https://apps.dor.ga.gov/FillableForms/PDFViewer/Index?form=2022GA500

fiscalsim_us/parameters/gov/states/ga/tax/income/credits/refundable.yaml

@@ -0,0 +1,11 @@
+description: Georgia refundable credits
+values:
+  2021-01-01:
+    - ga_series100_refundable_credits
+
+metadata:
+  unit: list
+  label: Georgia refundable credits
+  reference:
+    - title: 2022 Form 500 Instructions
+      href: https://apps.dor.ga.gov/FillableForms/PDFViewer/Index?form=2022GA500

fiscalsim_us/parameters/gov/states/ga/tax/income/deductions/nol_limit.yaml

@@ -0,0 +1,10 @@
+description: Georgia only allows subtraction for NOL up to this limit of taxable income after personal deductions and exemptions
+values:
+  2019-01-01: .8
+metadata:
+  period: year
+  unit: /1
+  label: Georgia NOL limit
+  reference:
+  - title: 2022 Form 500 Instructions
+    href: https://houpl.org/wp-content/uploads/2023/01/2022-IT-511_Individual_Income_Tax_-Booklet-compressed.pdf#page=12

fiscalsim_us/parameters/gov/states/ga/tax/income/subtractions/subtractions.yaml

@@ -5,7 +5,8 @@ values:
     - ga_retirement_exclusion
     - ga_military_retirement_exclusion
     - taxable_social_security
-    - ga_investment_in_529_plan_deduction 
+    - ga_investment_in_529_plan_deduction
+    - ga_other_subtractions
 
 
 metadata:

fiscalsim_us/tests/policy/baseline/gov/states/ga/tax/income/credits/ga_nonrefundable_credits.yaml

@@ -0,0 +1,19 @@
+- name: nonrefundable credits less than taxable income
+  period: 2022
+  input:
+    ga_taxable_income: 3_000
+    ga_nonrefundable_credits: 30
+    filing_status: SINGLE
+    state_code: GA
+  output:
+    ga_income_tax_before_refundable_credits: 30
+
+- name: Nonrefundable credits more than taxable income
+  period: 2022
+  input:
+    ga_taxable_income: 3_000
+    ga_nonrefundable_credits: 100
+    filing_status: SINGLE
+    state_code: GA
+  output:
+    ga_income_tax_before_refundable_credits: 0

fiscalsim_us/tests/policy/baseline/gov/states/ga/tax/income/credits/ga_refundable_credits.yaml

@@ -0,0 +1,21 @@
+- name: Only refundable credits
+  period: 2022
+  input:
+    ga_taxable_income: 3_000
+    ga_nonrefundable_credits: 0
+    ga_refundable_credits: 100
+    filing_status: SINGLE
+    state_code: GA
+  output:
+    ga_income_tax: -40
+
+- name: Both nonrefundable and refundable credits
+  period: 2022
+  input:
+    ga_taxable_income: 3_000
+    ga_nonrefundable_credits: 100
+    ga_refundable_credits: 100
+    filing_status: SINGLE
+    state_code: GA
+  output:
+    ga_income_tax: -100

fiscalsim_us/tests/policy/baseline/gov/states/ga/tax/income/ga_income_tax_before_refundable_credits.yaml → fiscalsim_us/tests/policy/baseline/gov/states/ga/tax/income/ga_income_tax_before_credits.yaml

@@ -5,7 +5,7 @@
     filing_status: SINGLE
     state_code: GA
   output:
-    ga_income_tax_before_refundable_credits: 60
+    ga_income_tax_before_credits: 60
 
 - name: Single filer w/o income
   period: 2022
@@ -14,7 +14,7 @@
     filing_status: SINGLE
     state_code: GA
   output:
-    ga_income_tax_before_refundable_credits: 0
+    ga_income_tax_before_credits: 0
 
 - name: Joint filer 
   period: 2022
@@ -23,7 +23,7 @@
     filing_status: JOINT
     state_code: GA
   output:
-    ga_income_tax_before_refundable_credits: 12
+    ga_income_tax_before_credits: 12
 
 - name: Separate filer 
   period: 2022
@@ -32,7 +32,7 @@
     filing_status: SEPARATE
     state_code: GA
   output:
-    ga_income_tax_before_refundable_credits: 7
+    ga_income_tax_before_credits: 7
 
 - name: Head of household filer 
   period: 2022
@@ -41,4 +41,4 @@
     filing_status: HEAD_OF_HOUSEHOLD
     state_code: GA
   output:
-    ga_income_tax_before_refundable_credits: 12
+    ga_income_tax_before_credits: 12

fiscalsim_us/variables/gov/states/ga/tax/income/additions/ga_nol_carryover_addition.py

@@ -0,0 +1,11 @@
+from fiscalsim_us.model_api import *
+
+
+class ga_nol_carryover_addition(Variable):
+    value_type = float
+    entity = TaxUnit
+    label = "Georgia addition to incone for net operating loss carryover deducted on federal return"
+    unit = USD
+    definition_period = YEAR
+    reference = "https://houpl.org/wp-content/uploads/2023/01/2022-IT-511_Individual_Income_Tax_-Booklet-compressed.pdf#page=34"
+    defined_for = StateCode.GA

fiscalsim_us/variables/gov/states/ga/tax/income/additions/ga_other_additions.py

@@ -0,0 +1,15 @@
+from fiscalsim_us.model_api import *
+
+
+class ga_other_additions(Variable):
+    value_type = float
+    entity = TaxUnit
+    label = "Georgia other additions to incone"
+    unit = USD
+    definition_period = YEAR
+    reference = "https://houpl.org/wp-content/uploads/2023/01/2022-IT-511_Individual_Income_Tax_-Booklet-compressed.pdf#page=34"
+    defined_for = StateCode.GA
+
+    # For line 5 of Georgia tax form 500 Schedule 1
+    # Also a catch-all for any non-implemented additions
+    # Such as interest on non-Georgia municipal or state bonds

fiscalsim_us/variables/gov/states/ga/tax/income/credits/ga_nonrefundable_credtis.py

@@ -0,0 +1,30 @@
+from fiscalsim_us.model_api import *
+
+
+class ga_nonrefundable_credits(Variable):
+    """
+    Other GA nonrefundable credits. Catch all for credits not
+    currently implemented. Includes:
+    - Tax credits from states other than Georgia
+    The following are from the IND-CR summary worksheet
+    - Disabled Person Home Purchase  or Retrofit Credit
+    - Georgia National Guard /Air National Guard Credit
+    - Qualified Caregiving Expense Credit
+    - Disaster Assistance Credit
+    - Rural Physicians Credit
+    - Adoption of a Foster Child Credit for Adoptions Occurring in Taxable
+        Years Beginning on or After January 1, 2008 and Before January 1, 2021
+    - Eligible Single-Family Residence Credit
+    - Community Based Faculty Preceptor Credit
+    - Adoption of a Foster Child Credit for Adoptions Occurring in Taxable
+    Years Beginning on or After January 1, 2021
+    - Teacher Recruitment and Retention Credit
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "Georgia nonrefundable credits"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.GA
+    adds = "gov.states.ga.tax.income.credits.nonrefundable"

fiscalsim_us/variables/gov/states/ga/tax/income/credits/ga_other_nonrefundable_credits.py

@@ -0,0 +1 @@
+

fiscalsim_us/variables/gov/states/ga/tax/income/ga_refundable_credits.py → fiscalsim_us/variables/gov/states/ga/tax/income/credits/ga_refundable_credits.py

@@ -8,3 +8,4 @@ class ga_refundable_credits(Variable):
     unit = USD
     definition_period = YEAR
     defined_for = StateCode.GA
+    adds = "gov.states.ga.tax.income.credits.refundable"

fiscalsim_us/variables/gov/states/ga/tax/income/credits/ga_series100_nonrefundable_credits.py

@@ -0,0 +1,70 @@
+from fiscalsim_us.model_api import *
+
+
+class ga_series100_nonrefundable_credits(Variable):
+    """
+    Georgia nonrefundable Series 100 tax credits. Line 20 Form 500
+    These credits are claimed using the Form 500 Schedule 2.
+    A tax unit may only claim series 100 tex credits if they
+    file online.
+    These credits include the following with the codes:
+    102 - Employer’s Credit for Approved Employee Retraining
+    103 - Employer’s Jobs Tax Credit
+    104 - Employer’s Credit for Purchasing Child Care
+    Property
+    105 - Employer’s Credit for Providing or Sponsoring
+    Child Care for Employees
+    106 - Manufacturer’s Investment Tax Credit
+    107 - Optional Investment Tax Credit
+    108 - Qualified Transportation Credit (only carryover
+    can be used)
+    109 - Low Income Housing Credit
+    111 - Business Enterprise Vehicle Credit
+    112 - Research Tax Credit
+    113 - Headquarters Tax Credit
+    114 - Port Activity Tax Credit
+    115 - Bank Tax Credit
+    116 - Low Emission Vehicle Credit (only carryover can
+    be used)
+    117 - Zero Emission Vehicle Credit (only carryover can
+    be used)
+    118 - New Facilities Job Credit
+    119 - Electric Vehicle Charger Credit
+    120 - New Manufacturing Facilities Property Credit
+    121 - Historic Rehabilitation Credit for Historic Homes
+    122 - Film Tax Credit (Use code 133 if the credit is for a
+    Qualified Interactive Entertainment Production Company)
+    124 - Land Conservation Credit
+    125 - Qualified Education Expense Credit
+    126 - Seed-Capital Fund Credit
+    128 - Wood Residual Credit
+    130 - Quality Jobs Tax Credit
+    131 - Alternate Port Activity Tax Credit
+    132 - Qualified Investor Tax Credit
+    133 - Film Tax Credit for a Qualified Interactive Entainment Production Company
+    135 - Historic Rehabilitation Tax Credit for any Other Certified Structures
+    136 - Qualified Rurual Hospital Organization Expense Tax Credit
+    138 - Postproduction Film Tax Credit
+    139 - Small Postproduction Film Tax Credit
+    140 - Qualified Education Donation Tax Credit
+    141 - Musical Tax Credit
+    142 - Rural Zone Tax Credit
+    143 - Agribusiness and Rural Jobs Tax Credit
+    144 - Post- Consumer Waste Materials Tax Credit
+    145 - Timber Tax Credit
+    146 - Railroad Track Maintenance Tax Credit
+    147 - Personal Protective Equipment Manufacturer Jobs Tax Credit
+    148 - Life Sciences Manufacturing Job Tax Credit
+    149 - Historic Rehabilitation Tax Credit for Historic Homes and other Certified Structure
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "Georgia series 100 nonrefundable credits"
+    reference = "https://dor.georgia.gov/it-511-individual-income-tax-booklet"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.GA
+
+    # These are really hard to find the specifics since you need to file online
+    # to get them.

fiscalsim_us/variables/gov/states/ga/tax/income/credits/ga_series100_refundable_credits.py

@@ -0,0 +1,19 @@
+from fiscalsim_us.model_api import *
+
+
+class ga_series100_refundable_credits(Variable):
+    """
+    Georgia refundable Series 100 tax credits.
+    These credits are claimed using the Form 500 Schedule 2b.
+    A tax unit may only claim series 100 tex credits if they
+    file online.
+    Currently (in 2022) the only refundable series 100 tax credit
+    is the Timber Tax Credit (145).
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "Georgia series 100 refundable credits"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.GA

fiscalsim_us/variables/gov/states/ga/tax/income/deductions/ga_deductions.py

@@ -6,5 +6,16 @@
     entity = TaxUnit
     label = "Georgia deductions"
     unit = USD
+    reference = "https://dor.georgia.gov/it-511-individual-income-tax-booklet"
     definition_period = YEAR
     defined_for = StateCode.GA
+
+    def formula(tax_unit, period, parameters):
+        # In GA if the tax unit itemizes their federal returns, then
+        # they must itemize for their GA return.
+        # Same for standard deduction
+        ga_std_deduction = tax_unit("ga_standard_deduction", period)
+        ga_itemized = tax_unit("ga_itemized_deductions", period)
+        itemizes = tax_unit("tax_unit_itemizes", period)
+
+        return where(itemizes, ga_itemized, ga_std_deduction)

fiscalsim_us/variables/gov/states/ga/tax/income/deductions/ga_itemized_adjustments.py

@@ -0,0 +1,17 @@
+from fiscalsim_us.model_api import *
+
+
+class ga_itemized_adjustments(Variable):
+    value_type = float
+    entity = TaxUnit
+    label = "Georgia itemized deductions"
+    unit = USD
+    reference = (
+        "https://apps.dor.ga.gov/FillableForms/PDFViewer/Index?form=2022GA500"
+    )
+    definition_period = YEAR
+    defined_for = StateCode.GA
+
+    # Line 12b on GA Tax form 500
+    # Adjustments for income taxes other than Georgia state taxes that
+    # are used in calculating federal itemized dedctions

fiscalsim_us/variables/gov/states/ga/tax/income/deductions/ga_itemized_deductions.py

@@ -0,0 +1,16 @@
+from fiscalsim_us.model_api import *
+
+
+class ga_itemized_deductions(Variable):
+    value_type = float
+    entity = TaxUnit
+    label = "Georgia itemized deductions"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.GA
+
+    def formula(tax_unit, period, parameters):
+        federal_itemized = tax_unit("itemized_deductions_less_salt", period)
+        adjustments = tax_unit("ga_itemized_adjustments", period)
+
+        return federal_itemized - adjustments