Newfoundland and Labrador Seniors’ Benefit

changelog_entry.yaml

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+- bump: minor
+  changes:
+    added:
+    - Newfoundland and Labrador Seniors’ Benefit.

policyengine_canada/parameters/gov/provinces/nl/tax/income/benefits/age_eligibility.yaml

@@ -0,0 +1,9 @@
+description: Newfoundland and Labrador provides the seniors’ benefit at or above this age.
+values:
+  2022-12-31: 64
+metadata:
+  unit: age
+  label: Newfoundland and Labrador age threshold
+  reference:
+    - title: Government of Canada - Newfoundland and Labrador Seniors Benefit
+      href: https://www.gov.nl.ca/fin/tax-programs-incentives/personal/income-supplement/

policyengine_canada/parameters/gov/provinces/nl/tax/income/benefits/lower_income_threshold.yaml

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+description: Newfoundland and Labrador phases the seniors’ benefit out above this income threshold.
+values:
+  2022-12-31: 29_402
+metadata:
+  unit: currency-CAD
+  label: Newfoundland and Labrador seniors' phase out start
+  reference:
+    - title: Government of Canada - Newfoundland and Labrador Seniors Benefit
+      href: https://www.gov.nl.ca/fin/tax-programs-incentives/personal/income-supplement/

policyengine_canada/parameters/gov/provinces/nl/tax/income/benefits/max_amount.yaml

@@ -0,0 +1,9 @@
+description: Newfoundland and Labrador provides this maximum benefit amount under the seniors' benefit.
+values:
+  2022-12-31: 1_516
+metadata:
+  unit: currency-CAD
+  label: Newfoundland and Labrador max seniors benefit amount
+  reference:
+    - title: Government of Canada - Newfoundland and Labrador Seniors Benefit
+      href: https://www.gov.nl.ca/fin/tax-programs-incentives/personal/income-supplement/

policyengine_canada/parameters/gov/provinces/nl/tax/income/benefits/rate.yaml

@@ -0,0 +1,9 @@
+description: Newfoundland and Labrador phases the seniors’ benefit out at this rate.
+values:
+  2022-12-31: 0.1166
+metadata:
+  unit: /1
+  label: Newfoundland and Labrador seniors' benefit phase out rate
+  reference:
+    - title: Government of Canada - Newfoundland and Labrador Seniors Benefit
+      href: https://www.gov.nl.ca/fin/tax-programs-incentives/personal/income-supplement/

policyengine_canada/tests/gov/provinces/ab/tax/income/credits/pension/ab_pension_credit.yaml

@@ -20,4 +20,4 @@
     pension_and_savings_plan_income: 0
     province_code: AB
   output:
-    ab_pension_credit: 0
+    ab_pension_credit: 0

policyengine_canada/tests/gov/provinces/nl/tax/income/benefits/nl_seniors_benefit.yaml

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+- name: One single senior with net income above 29_402
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 66
+    individual_net_income: 29_405
+    province_code: NL
+  output:
+    nl_seniors_benefit: 1_515.65
+
+- name: One single senior with net income below 29_402
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 66
+    individual_net_income: 29_401
+    province_code: NL
+  output:
+    nl_seniors_benefit: 1_516
+
+- name: One single senior with net income between 29_402 and 42_404
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 66
+    individual_net_income: 30_000
+    province_code: NL
+  output:
+    nl_seniors_benefit: 1446.27
+
+- name: One single senior with net income above 42_404
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 66
+    individual_net_income: 42_405
+    province_code: NL
+  output:
+    nl_seniors_benefit: 0
+
+- name: Senior and spouse with net income below 29_402 
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 66
+    individual_net_income: 29_380
+    is_spouse: true
+    spouse_income: 5
+    province_code: NL
+  output:
+    nl_seniors_benefit: 1_516
+
+- name: Senior and spouse with net income between 29_402 and 42_404
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 66
+    individual_net_income: 30_000
+    is_spouse: true
+    spouse_income: 10_000
+    province_code: NL
+  output:
+    nl_seniors_benefit: 280.3
+
+- name: Senior and spouse with net income above 42_404  
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 66
+    individual_net_income: 50_400
+    is_spouse: false
+    spouse_income: 0
+    province_code: NL
+  output:
+    nl_seniors_benefit: 0
+
+- name: Not senior with net income above 42_404  
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 60
+    individual_net_income: 50_400
+    is_spouse: true
+    spouse_income: 0
+    province_code: NL
+  output:
+    nl_seniors_benefit: 0
+
+- name: No senior single with net income above 29_402
+  period: 2023
+  absolute_error_margin: 0.1
+  input:
+    age: 60
+    individual_net_income: 29_405
+    province_code: NL
+  output:
+    nl_seniors_benefit: 0

policyengine_canada/variables/gov/provinces/nl/tax/income/benefits/nl_seniors_benefit.py

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+from policyengine_canada.model_api import *
+
+
+class nl_seniors_benefit(Variable):
+    value_type = float
+    entity = Person
+    label = "Newfoundland and Labrador Seniors Benefit"
+    definition_period = YEAR
+    defined_for = ProvinceCode.NL
+
+    def formula(person, period, parameters):
+        p = parameters(period).gov.provinces.nl.tax.income.benefits
+
+        senior_eligibility = person("age", period) >= p.age_eligibility
+
+        # Calculate the senior's income & their spouses' income
+        spouse_income = person("spouse_income", period) * person(
+            "is_spouse", period
+        )
+        personal_income = person("individual_net_income", period)
+        total_family_income = spouse_income + personal_income
+
+        senior_benefit = p.max_amount - (
+            p.rate * (total_family_income - p.lower_income_threshold)
+        )
+
+        return max_(senior_eligibility * min_(senior_benefit, p.max_amount), 0)