Updates Michigan Tax Logic

fiscalsim_us/parameters/gov/states/mi/tax/income/credits/eitc/match.yaml

@@ -12,7 +12,5 @@ values:
   2008-01-01: 0.1
   2009-01-01: 0.2
   2012-01-01: 0.06
-  # Reflected starting with 2023 tax form.
-  # In 2022, Michigan enacted a supplemental 24% match after tax filing season. 
-  2022-01-01: 0.3
+
 

fiscalsim_us/variables/gov/states/mi/tax/income/additions_subtractions/mi_additions.py

@@ -0,0 +1,16 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_additions(Variable):
+    """
+    Line 11 on Michigan 2022 Individual Income Tax return form MI-1040. 
+    These additions to income include the categories that are listed
+    in Michigan Line 9 of Schedule 1 found in the instructions
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI additions to income"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/additions_subtractions/mi_subtractions.py

@@ -0,0 +1,16 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_subtractions(Variable):
+    """
+    Line 13 on Michigan 2022 Individual Income Tax return form MI-1040. 
+    These subtractions to income include the categories that are listed
+    in Michigan Line 30 of Schedule 1 found in the instructions
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI subtractions to income"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_historic_preservation_amount.py

@@ -0,0 +1,16 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_historic_preservation_amount(Variable):
+    """
+    Line 19a on Michigan 2022 Individual Income Tax return form MI-1040. 
+    If you are including Form 3581, enter the amount
+    from line 9. If you are including Form 5803, enter the amount from line 7.
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI amount of Historic Preservation Tax Credit"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_historic_preservation_credit.py

@@ -0,0 +1,16 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_historic_preservation_credit(Variable):
+    """
+    Line 19b on Michigan 2022 Individual Income Tax return form MI-1040. 
+    If you are including Form 3581, enter the amount
+    from line 14. If you are including Form 5803, enter the amount from line 12.
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI Credit of Historic Preservation Tax Credit"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_income_tax.py

@@ -0,0 +1,21 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_income_tax(Variable):
+    """
+    Line 20 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI income tax"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI
+
+    def formula(tax_unit, period, parameters):
+    imposed = tax_unit("mi_income_tax_imposed_by_other_gov_credit", period)
+    historic = tax_unit("mi_historic_preservation_amount", period)
+    tax = tax_unit("mi_income_tax_before_credits", period)
+    credit = imposed + historic
+    return max(0, credit - tax)

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_income_tax_imposed_by_other_gov.py

@@ -0,0 +1,20 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_income_tax_imposed_by_other_gov_amount(Variable):
+    """
+    Line 18a on Michigan 2022 Individual Income Tax return form MI-1040. 
+    This non-refundable credit includes the amount of income tax paid to:
+    - A nonreciprocal state
+    - A local government unit outside Michigan, including tax
+        paid to local units located in reciprocal states
+    - The District of Columbia
+    -A Canadian province.
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI income tax amount imposed by goverment units outside of michigan"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_income_tax_imposed_by_other_gov_credit.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_income_tax_imposed_by_other_gov_credit(Variable):
+    """
+    Line 18b on Michigan 2022 Individual Income Tax return form MI-1040. 
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI income tax credit imposed by goverment units outside of michigan"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_total_tax_liability.py

@@ -0,0 +1,16 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_total_tax_liability(Variable):
+    """
+    Line 24 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MT total tax liability"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI
+
+    adds = ["mi_income_tax", "mi_voluntary_contributions","mi_use_tax"]

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_use_tax.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_use_tax(Variable):
+    """
+    Line 23 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI use tax"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/non_refundable_credits/mi_voluntary_contributions.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_voluntary_contributions(Variable):
+    """
+    Line 22 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI volentary contributions"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/refundable_credits/mi_electing_flow_through_credit.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_electing_flow_through_credit(Variable):
+    """
+    Line 29 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI allocated share of tax paid by an electing flow-through entity credit"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/refundable_credits/mi_estimated_tax.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_estimated_tax(Variable):
+    """
+    Line 31 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI Estimated Tax, Extension Payments, and Credit Forward"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/refundable_credits/mi_farmland_preservation_tax_credit.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_farmland_preservation_tax_credit(Variable):
+    """
+    Line 26 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI Farmland Preservation Tax Credit"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/refundable_credits/mi_historic_preservation_refundable.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_historic_preservation_refundable(Variable):
+    """
+    Line 28 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI Historic Preservation Tax Credit Refundable"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/refundable_credits/mi_property_tax_credit.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_property_tax_credit(Variable):
+    """
+    Line 25 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI Property Tax Credit"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/credits/refundable_credits/mi_total_refunable_credits.py

@@ -0,0 +1,18 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_total_refundable_credits(Variable):
+    """
+    Line 33 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MT total refundable credits"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI
+
+    adds = ["mi_property_tax_credit","mi_farmland_preservation_tax_credit","mi_eitc",
+    "mi_historic_preservation_refundable","mi_electing_flow_through_credit",
+    "mi_withheld","mi_estimated_tax"]

fiscalsim_us/variables/gov/states/mi/tax/income/credits/refundable_credits/mi_withheld.py

@@ -0,0 +1,14 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_withheld(Variable):
+    """
+    Line 30 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI tax withheld"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI

fiscalsim_us/variables/gov/states/mi/tax/income/main/mi_income_subject_to_tax.py

@@ -0,0 +1,20 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_income_subject_to_tax(Variable):
+    """
+    Line 14 on Michigan individual income tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "MI income subject to tax"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI
+
+    def formula(tax_unit, period, parameters):
+    total = tax_unit("mi_total_agi", period)
+    subtractions = tax_unit("mi_subtractions", period)
+
+    return max(0, subtractions - total)

fiscalsim_us/variables/gov/states/mi/tax/income/main/mi_tax_due.py

@@ -0,0 +1,21 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_tax_due(Variable):
+    """
+    Line 34 on Michigan tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "Michigan Tax Due"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI
+
+
+def formula(tax_unit, period, parameters):
+    line33 = tax_unit("mi_total_refundable_credits")
+    line24 = tax_unit("mi_total_tax_liability")
+
+    return where(line33 < line24, line33 - line24, 0)

fiscalsim_us/variables/gov/states/mi/tax/income/main/mi_tax_overpaid.py

@@ -0,0 +1,21 @@
+from fiscalsim_us.model_api import *
+
+
+class mi_tax_overpaid(Variable):
+    """
+    Line 35 on Michigan tax form MI-1040
+    """
+
+    value_type = float
+    entity = TaxUnit
+    label = "Michigan Tax Overpayed"
+    unit = USD
+    definition_period = YEAR
+    defined_for = StateCode.MI
+
+
+def formula(tax_unit, period, parameters):
+    line33 = tax_unit("mi_total_refundable_credits")
+    line24 = tax_unit("mi_total_tax_liability")
+
+    return where(line33 > line24, line24 - line33, 0)

fiscalsim_us/variables/gov/states/mi/tax/income/mi_taxable_income.py → fiscalsim_us/variables/gov/states/mi/tax/income/main/mi_taxable_income.py

@@ -8,3 +8,8 @@ class mi_taxable_income(Variable):
     defined_for = StateCode.MI
     unit = USD
     definition_period = YEAR
+
+    def formula(tax_unit, period, parameters):
+    income = tax_unit("mi_income_subject_to_tax", period)
+    exemption = tax_unit("mi_exemptions", period)
+    return max(0,exemption-income)