Northwest Territories dividend tax credit

changelog_entry.yaml

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+- bump: minor
+  changes:
+    added:
+    - Northwest Territories dividend tax credit.

policyengine_canada/parameters/gov/provinces/nt/tax/income/credits/dividend_tax_credit/noneligible_rate.yaml

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+description: Northwest Territories phases the dividend tax credit for non-eligible dividens at this rate.
+values:
+  2021-01-01: 0.06
+metadata:
+  unit: currency-CAD
+  label: Northwest Territories non-eligible dividend tax credit rate
+  reference:
+  - title: Income Tax Act - Section 2.32 Deduction for taxable dividends
+    href: https://www.justice.gov.nt.ca/en/files/legislation/income-tax/income-tax.a.pdf#page=40
+  - title: 2022 Northwest Territories dividend tax credit (Line 61520)
+    href: https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/5012-d/5012-d-22e.pdf#page=3
+  - title: Dividend Tax Credit for 2011-2023
+    href: https://www.fin.gov.nt.ca/sites/fin/files/resources/nwt_personal_income_tax_credits_english.pdf#page=2

policyengine_canada/parameters/gov/provinces/nt/tax/income/credits/dividend_tax_credit/taxable_rate.yaml

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+description: Northwest Territories phases the taxable dividend amount for eligible dividens at this rate.
+values:
+  2021-01-01: 0.115
+metadata:
+  unit: currency-CAD
+  label: Northwest Territories taxable dividend amount rate
+  reference:
+  - title: Income Tax Act - Section 2.32 Deduction for taxable dividends
+    href: https://www.justice.gov.nt.ca/en/files/legislation/income-tax/income-tax.a.pdf#page=40
+  - title: 2022 Northwest Territories dividend tax credit (Line 61520)
+    href: https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/5012-d/5012-d-22e.pdf#page=3
+  - title: Dividend Tax Credit for 2011-2023
+    href: https://www.fin.gov.nt.ca/sites/fin/files/resources/nwt_personal_income_tax_credits_english.pdf#page=2

policyengine_canada/tests/gov/provinces/nt/tax/income/nt_dividend_tax_credit.yaml

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+- name: Calculation 2022 # (39,000 * 0.06) + ((39,800 - 39,000) * 0.115) = 2,432
+  period: 2022
+  input:
+    province_code: NT
+    taxable_dividend_income: 39_800
+    taxable_other_than_dividend_income: 39_000
+  output:
+    nt_dividend_tax_credit: 2_432

policyengine_canada/variables/gov/provinces/nt/tax/income/credits/dividend_tax_credit/nt_dividend_tax_credit.py

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+from policyengine_canada.model_api import *
+
+
+class nt_dividend_tax_credit(Variable):
+    value_type = float
+    entity = Person
+    label = "Northwest Territories dividend tax credit"
+    unit = CAD
+    definition_period = YEAR
+    defined_for = ProvinceCode.NT
+    reference = "https://www.justice.gov.nt.ca/en/files/legislation/income-tax/income-tax.a.pdf#page=40"
+
+    def formula(person, period, parameters):
+        p = parameters(
+            period
+        ).gov.provinces.nt.tax.income.credits.dividend_tax_credit
+        income = person("nt_taxable_income", period)
+        taxable_dividend_income = person.household(
+            "taxable_dividend_income", period
+        )
+        taxable_other_than_dividend_income = person.household(
+            "taxable_other_than_dividend_income", period
+        )
+        non_eligible_dividends = (
+            taxable_other_than_dividend_income * p.noneligible_rate
+        )
+        eligible_credit = (
+            taxable_dividend_income - taxable_other_than_dividend_income
+        ) * p.taxable_rate
+        return non_eligible_dividends + eligible_credit

policyengine_canada/variables/household/income/taxable_dividend_income.py

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+from policyengine_canada.model_api import *
+
+
+class taxable_dividend_income(Variable):
+    value_type = float
+    entity = Household
+    label = "dividend income"
+    unit = CAD
+    definition_period = YEAR

policyengine_canada/variables/household/income/taxable_other_than_dividend_income.py

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+from policyengine_canada.model_api import *
+
+
+class taxable_other_than_dividend_income(Variable):
+    value_type = float
+    entity = Household
+    label = "other than dividend income"
+    unit = CAD
+    definition_period = YEAR