Add Massachusetts TAFDC noncountable income variable #7308
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Implements 106 CMR 704.250, which defines income sources excluded from TAFDC eligibility and benefit calculations. Tracks SNAP, housing subsidies, and LIHEAP as noncountable income. Fixes #5754 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #7308 +/- ##
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+ Coverage 72.72% 100.00% +27.27%
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Files 3757 13 -3744
Lines 54115 192 -53923
Branches 267 0 -267
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- Hits 39353 192 -39161
+ Misses 14742 0 -14742
+ Partials 20 0 -20
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Add parameter-driven list of noncountable income sources covering: - (A) SSI - (C) SNAP - (D)/(F) School lunch subsidies, WIC - (BB) LIHEAP - (II) EITC - (J) Pell Grants - (S) Housing subsidies Use parameter list at gov.states.ma.dta.tcap.tafdc.income.noncountable.sources so additional sources can be added via YAML without code changes. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
SSI (A) excludes ALL income of SSI recipients, not just the SSI benefit — requires identifying recipients and excluding their total income, which can't be a simple adds entry. EITC (II) refers to the credit received as income (refund), not the credit amount itself — including the eitc variable double-counts. Keep only unconditionally excluded benefit types in the parameter list (SNAP, school lunch, WIC, Pell Grants, housing, LIHEAP). Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add conditional exclusions per 106 CMR 704.250: - (A) SSI recipient income exclusion: all earned and unearned income of SSI recipients is noncountable - (U) Dependent child earned income exclusion: earned income of children under 16 or 16+ full-time students is noncountable - (B) Lump sum income exclusion: first $600/month is noncountable Wire exclusions into countable income pipeline: - New ma_tafdc_gross_earned_income subtracts SSI and child exclusions - New ma_tafdc_gross_unearned_income subtracts SSI and lump sum - Existing countable income variables now use TAFDC-specific gross income instead of raw TCAP gross income Add parameters for child earned income age threshold (16) and lump sum cap ($600). Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The options=[DIVIDE] pattern triggers a microsimulation bug in policyengine_core's calculate_divide method. Using period.this_year to access the YEAR-period ssi_reported variable from a MONTH context avoids this issue while still correctly checking SSI receipt. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Add
ma_tafdc_noncountable_incomevariable implementing 106 CMR 704.250.Uses a parameter-driven list (
gov.states.ma.dta.tcap.tafdc.income.noncountable.sources) for unconditionally excluded benefit types:snap)spm_unit_school_lunch_subsidy), WIC (wic)spm_unit_pell_grant)spm_unit_capped_housing_subsidy)ma_liheap)Conditional exclusions (not in adds list — need dedicated variable logic)
ma_tafdc_child_support_deduction)Not yet modeled (no PE-US variables exist)
Sections (D) USDA surplus, (E) elderly nutrition, (G) home-produced food, (H)/(I) training stipends, (M) Census earnings, (N) volunteer payments, (O)/(P)/(Q) Native American payments, (R) relocation, (T) loans, (V) foster parent payments, (AA) contributions, (CC) agency assistance, (DD) TAFDC corrections, (EE) utility refunds, (FF) settlement payments, (JJ)/(KK)/(MM)/(OO)/(QQ) restitution payments, (LL) reverse mortgage, (NN) FSS escrow, (PP) YouthBuild/AmeriCorps.
Fixes #5754
Test plan
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