Utah Refundable EITC reform

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: minor
+  changes:
+    added:
+      - Utah refundable EITC contributed reform.

policyengine_us/parameters/gov/contrib/states/ut/eitc/in_effect.yaml

@@ -0,0 +1,9 @@
+description: The Utah EITC is refundable for households with children below a certain age when this parameter is in effect.
+
+values:
+  0000-01-01: false
+
+metadata:
+  unit: bool
+  period: year
+  label: Utah refundable EITC in effect

policyengine_us/parameters/gov/contrib/states/ut/eitc/max_age.yaml

@@ -0,0 +1,9 @@
+description: The maximum age for a child to qualify the household for the refundable Utah EITC.
+
+values:
+  0000-01-01: 2
+
+metadata:
+  unit: year
+  period: year
+  label: Utah refundable EITC maximum child age

policyengine_us/reforms/reforms.py

@@ -100,6 +100,9 @@
 from .states.mi.surtax import (
     create_mi_surtax_reform,
 )
+from .states.ut import (
+    create_ut_refundable_eitc_reform,
+)
 from .additional_tax_bracket import (
     create_additional_tax_bracket_reform,
 )
@@ -248,6 +251,7 @@ def create_structural_reforms_from_parameters(parameters, period):
         parameters, period
     )
     mi_surtax = create_mi_surtax_reform(parameters, period)
+    ut_refundable_eitc = create_ut_refundable_eitc_reform(parameters, period)
 
     american_worker_rebate_act = create_american_worker_rebate_act_reform(
         parameters, period
@@ -315,6 +319,7 @@ def create_structural_reforms_from_parameters(parameters, period):
         reconciled_ssn_for_llc_and_aoc,
         ctc_additional_bracket,
         mi_surtax,
+        ut_refundable_eitc,
         additional_tax_bracket,
         american_worker_rebate_act,
         ctc_per_child_phase_out,

policyengine_us/reforms/states/ut/__init__.py

@@ -0,0 +1,3 @@
+from .ut_refundable_eitc import (
+    create_ut_refundable_eitc_reform,
+)

policyengine_us/reforms/states/ut/ut_refundable_eitc.py

@@ -0,0 +1,118 @@
+from policyengine_us.model_api import *
+from policyengine_core.periods import period as period_
+
+
+def create_ut_refundable_eitc() -> Reform:
+    class ut_has_qualifying_child_for_refundable_eitc(Variable):
+        value_type = bool
+        entity = TaxUnit
+        label = "Utah tax unit has qualifying child for refundable EITC"
+        defined_for = StateCode.UT
+        definition_period = YEAR
+
+        def formula(tax_unit, period, parameters):
+            person = tax_unit.members
+            p = parameters(period).gov.contrib.states.ut.eitc
+            age = person("age", period)
+            is_dependent = person("is_tax_unit_dependent", period)
+            is_qualifying_child = (age <= p.max_age) & is_dependent
+            return tax_unit.any(is_qualifying_child)
+
+    class ut_refundable_eitc(Variable):
+        value_type = float
+        entity = TaxUnit
+        label = "Utah refundable EITC"
+        unit = USD
+        definition_period = YEAR
+        defined_for = "ut_has_qualifying_child_for_refundable_eitc"
+
+        adds = ["ut_eitc"]
+
+    class ut_eitc(Variable):
+        value_type = float
+        entity = TaxUnit
+        label = "Utah Earned Income Tax Credit"
+        unit = USD
+        documentation = "This credit is a fraction of the federal EITC."
+        definition_period = YEAR
+        defined_for = StateCode.UT
+        reference = "https://le.utah.gov/xcode/Title59/Chapter10/59-10-S1044.html?v=C59-10-S1044_2022050420220504"
+
+        def formula(tax_unit, period, parameters):
+            p = parameters(
+                period
+            ).gov.states.ut.tax.income.credits.earned_income
+            federal_eitc = tax_unit("eitc", period)
+            return p.rate * federal_eitc
+
+    class ut_non_refundable_eitc(Variable):
+        value_type = float
+        entity = TaxUnit
+        label = "Utah non-refundable EITC"
+        unit = USD
+        definition_period = YEAR
+        defined_for = StateCode.UT
+
+        adds = ["ut_eitc"]
+        subtracts = ["ut_refundable_eitc"]
+
+    class ut_non_refundable_credits(Variable):
+        value_type = float
+        entity = TaxUnit
+        label = "Utah non-refundable tax credits"
+        unit = USD
+        definition_period = YEAR
+        defined_for = StateCode.UT
+
+        adds = [
+            "ut_non_refundable_eitc",
+            "ut_retirement_credit",
+            "ut_ss_benefits_credit",
+            "ut_at_home_parent_credit",
+            "ut_ctc",
+        ]
+
+    class ut_refundable_credits(Variable):
+        value_type = float
+        entity = TaxUnit
+        label = "Utah refundable credits"
+        unit = USD
+        definition_period = YEAR
+        defined_for = StateCode.UT
+
+        adds = ["ut_refundable_eitc"]
+
+    class reform(Reform):
+        def apply(self):
+            self.add_variable(ut_has_qualifying_child_for_refundable_eitc)
+            self.add_variable(ut_refundable_eitc)
+            self.add_variable(ut_non_refundable_eitc)
+            self.update_variable(ut_eitc)
+            self.update_variable(ut_non_refundable_credits)
+            self.update_variable(ut_refundable_credits)
+
+    return reform
+
+
+def create_ut_refundable_eitc_reform(parameters, period, bypass: bool = False):
+    if bypass:
+        return create_ut_refundable_eitc()
+
+    p = parameters.gov.contrib.states.ut.eitc
+
+    reform_active = False
+    current_period = period_(period)
+
+    for i in range(5):
+        if p(current_period).in_effect:
+            reform_active = True
+            break
+        current_period = current_period.offset(1, "year")
+
+    if reform_active:
+        return create_ut_refundable_eitc()
+    else:
+        return None
+
+
+ut_refundable_eitc = create_ut_refundable_eitc_reform(None, None, bypass=True)

policyengine_us/tests/policy/contrib/states/ut/ut_refundable_eitc.yaml

@@ -0,0 +1,214 @@
+- name: Single parent with child under max age - full EITC refundable
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    people:
+      parent:
+        age: 30
+      child:
+        age: 2
+        is_tax_unit_dependent: true
+    tax_units:
+      tax_unit:
+        members: [parent, child]
+        eitc: 5_000
+    households:
+      household:
+        members: [parent, child]
+        state_code: UT
+  output:
+    # Utah EITC = 20% of federal EITC = 0.2 * 5_000 = 1_000
+    # Since child is age 2 (at max_age threshold), full amount is refundable
+    ut_eitc: 1_000  # Total EITC
+    ut_refundable_eitc: 1_000
+    ut_non_refundable_eitc: 0  # Non-refundable portion is reduced to zero
+    ut_has_qualifying_child_for_refundable_eitc: true
+
+- name: Single parent with child at age 1
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    people:
+      parent:
+        age: 30
+      child:
+        age: 1
+        is_tax_unit_dependent: true
+    tax_units:
+      tax_unit:
+        members: [parent, child]
+        eitc: 3_000
+    households:
+      household:
+        members: [parent, child]
+        state_code: UT
+  output:
+    # Utah EITC = 20% of federal EITC = 0.2 * 3_000 = 600
+    ut_eitc: 600
+    ut_refundable_eitc: 600
+    ut_non_refundable_eitc: 0
+    ut_has_qualifying_child_for_refundable_eitc: true
+
+- name: Single parent with child age 3 - not eligible for refundable EITC
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    people:
+      parent:
+        age: 30
+      child:
+        age: 3
+        is_tax_unit_dependent: true
+    tax_units:
+      tax_unit:
+        members: [parent, child]
+        eitc: 4_000
+    households:
+      household:
+        members: [parent, child]
+        state_code: UT
+  output:
+    # Child is too old (max_age is 2)
+    # Utah EITC = 0.2 * 4_000 = 800
+    ut_eitc: 800
+    ut_refundable_eitc: 0
+    ut_non_refundable_eitc: 800  # Remains fully non-refundable
+    ut_has_qualifying_child_for_refundable_eitc: false
+
+- name: Single parent with multiple children, one qualifying
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    people:
+      parent:
+        age: 35
+      child1:
+        age: 1
+        is_tax_unit_dependent: true
+      child2:
+        age: 5
+        is_tax_unit_dependent: true
+    tax_units:
+      tax_unit:
+        members: [parent, child1, child2]
+        eitc: 6_000
+    households:
+      household:
+        members: [parent, child1, child2]
+        state_code: UT
+  output:
+    # Has at least one qualifying child, so full EITC is refundable
+    # Utah EITC = 0.2 * 6_000 = 1_200
+    ut_eitc: 1_200
+    ut_refundable_eitc: 1_200
+    ut_non_refundable_eitc: 0
+    ut_has_qualifying_child_for_refundable_eitc: true
+
+- name: Childless tax unit - not eligible
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    people:
+      person:
+        age: 30
+    tax_units:
+      tax_unit:
+        members: [person]
+        eitc: 500
+    households:
+      household:
+        members: [person]
+        state_code: UT
+  output:
+    # Utah EITC = 0.2 * 500 = 100 (all non-refundable)
+    ut_eitc: 100
+    ut_refundable_eitc: 0
+    ut_non_refundable_eitc: 100
+    ut_has_qualifying_child_for_refundable_eitc: false
+
+- name: Married couple with infant (age 0)
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    people:
+      parent1:
+        age: 28
+      parent2:
+        age: 30
+      child:
+        age: 0
+        is_tax_unit_dependent: true
+    tax_units:
+      tax_unit:
+        members: [parent1, parent2, child]
+        eitc: 7_000
+    households:
+      household:
+        members: [parent1, parent2, child]
+        state_code: UT
+  output:
+    # Utah EITC = 0.2 * 7_000 = 1_400
+    ut_eitc: 1_400
+    ut_refundable_eitc: 1_400
+    ut_non_refundable_eitc: 0
+    ut_has_qualifying_child_for_refundable_eitc: true
+
+- name: Tax unit with qualifying child but no federal EITC
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    people:
+      parent:
+        age: 30
+      child:
+        age: 2
+        is_tax_unit_dependent: true
+    tax_units:
+      tax_unit:
+        members: [parent, child]
+        eitc: 0
+    households:
+      household:
+        members: [parent, child]
+        state_code: UT
+  output:
+    # No federal EITC means no Utah EITC
+    ut_eitc: 0
+    ut_refundable_eitc: 0
+    ut_non_refundable_eitc: 0
+    ut_has_qualifying_child_for_refundable_eitc: true
+
+- name: Custom max_age parameter - child at age 4 qualifies
+  period: 2024
+  reforms: policyengine_us.reforms.states.ut.ut_refundable_eitc.ut_refundable_eitc
+  input:
+    gov.contrib.states.ut.eitc.in_effect: true
+    gov.contrib.states.ut.eitc.max_age: 4
+    people:
+      parent:
+        age: 30
+      child:
+        age: 4
+        is_tax_unit_dependent: true
+    tax_units:
+      tax_unit:
+        members: [parent, child]
+        eitc: 5_000
+    households:
+      household:
+        members: [parent, child]
+        state_code: UT
+  output:
+    # With max_age = 4, child age 4 qualifies
+    # Utah EITC = 0.2 * 5_000 = 1_000
+    ut_eitc: 1_000
+    ut_refundable_eitc: 1_000
+    ut_non_refundable_eitc: 0
+    ut_has_qualifying_child_for_refundable_eitc: true