MaxGhenis · Nov 1, 2026 · Nov 1, 2026 · Nov 1, 2026 · Nov 1, 2026 · Nov 1, 2026
diff --git a/Makefile b/Makefile
@@ -91,13 +91,14 @@ REST_SOCIAL_SECURITY_PIA_RATIO_INPUT_TESTS := $(TESTS)/core/test_ss_pia_ratio_in
 # a default Microsimulation only to read parameters. Release their heap before
 # the remaining policy tests, rather than stacking both in the 13.9 GB group.
 REST_POLICY_PARAMETER_TESTS := $(TESTS)/policy/baseline/parameters
-# The first four files retain three independent full systems (the two CTC
+# The first five files retain four independent full systems (the two CTC
 # files share one). The last two use transient TX simulations and balance
 # elapsed time without warming the NY/AL pinned-system cache.
 REST_REMAINING_HEAVY_TESTS := $(TESTS)/test_niit_section_911_magi.py \
 	$(TESTS)/test_ctc_foreign_earned_income_exclusion.py \
 	$(TESTS)/test_ctc_foreign_earned_income_exclusion_property.py \
 	$(TESTS)/unit/test_medicaid_abd_ssi_rate_standard_properties.py \
+	$(TESTS)/test_spm_child_care_subsidy_invariants.py \
 	$(TESTS)/test_capital_gain_distributions_loss_limit.py \
 	$(TESTS)/test_schedule_d_filer_net_capital_gain.py
 REST_LISTED_TESTS := $(REST_CACHED_ARRAY_TESTS) $(REST_HEAVY_A_TESTS) $(REST_HEAVY_B_TESTS) \

diff --git a/changelog.d/spm-child-care-subsidies.fixed.md b/changelog.d/spm-child-care-subsidies.fixed.md
@@ -0,0 +1 @@
+Count every state child care subsidy in the Supplemental Poverty Measure from 2024 by netting it from the SPM child care expense in household calculations, keep the ASEC's reported spending as that expense over a dataset while a reform moves it by the change in subsidy, and add the District of Columbia, Tennessee and Texas subsidies to the 2024 program list. Rebuild a reform's baseline arm without the holders the reform built for its own definition of a variable in another entity or with other ETERNITY storage, as core's own branch does, then set again each input a dataset or set_input gave the reform for such a variable, wherever the baseline's definition can hold it.
diff --git a/policyengine_us/parameters/gov/hhs/ccdf/child_care_subsidy_programs.yaml b/policyengine_us/parameters/gov/hhs/ccdf/child_care_subsidy_programs.yaml
@@ -96,58 +96,9 @@ values:
     - nc_child_care_subsidies  # North Carolina Subsidized Child Care Assistance
     - wy_child_care_subsidies  # Wyoming Child Care, Purchase of Service
     - ny_child_care_subsidies  # New York Child Care Assistance Program
-  2025-01-01:
-    - ak_child_care_subsidies  # Alaska Child Care Assistance Program (PASS)
-    - ar_child_care_subsidies  # Arkansas School Readiness Assistance
-    - al_child_care_subsidies  # Alabama Child Care Subsidy Program
-    - az_child_care_subsidies  # Arizona Child Care Assistance Program
-    - ca_child_care_subsidies  # California Child Care
-    - co_child_care_subsidies  # Colorado Child Care Assistance Program
-    - ct_child_care_subsidies  # Connecticut Care 4 Kids
-    - de_child_care_subsidies  # Delaware Purchase of Care
-    - fl_child_care_subsidies  # Florida School Readiness Program (SR)
-    - ga_child_care_subsidies  # Georgia Childcare and Parent Services
-    - hi_child_care_subsidies  # Hawaii Child Care Subsidy
-    - ia_child_care_subsidies  # Iowa Child Care Assistance
-    - id_child_care_subsidies  # Idaho Child Care Program
-    - il_child_care_subsidies  # Illinois Child Care Assistance Program
-    - in_child_care_subsidies  # Indiana Child Care and Development Fund Voucher Program
-    - ks_child_care_subsidies  # Kansas Child Care Assistance Program
-    - ky_child_care_subsidies  # Kentucky Child Care Assistance Program
-    - la_child_care_subsidies  # Louisiana Child Care Assistance Program
-    - ma_child_care_subsidies  # Massachusetts Child Care Financial Assistance
-    - md_child_care_subsidies  # Maryland Child Care Scholarship
-    - me_child_care_subsidies  # Maine Child Care Affordability Program
-    - mi_child_care_subsidies  # Michigan Child Development and Care program
-    - mn_child_care_subsidies  # Minnesota Child Care Assistance Program
-    - mo_child_care_subsidies  # Missouri Child Care Subsidy
-    - ms_child_care_subsidies  # Mississippi Child Care Payment Program (CCPP)
-    - mt_child_care_subsidies  # Montana Best Beginnings Child Care Scholarship
-    - ne_child_care_subsidies  # Nebraska Child Care Subsidy
-    - nm_child_care_subsidies  # New Mexico Child Care Assistance Program
-    - vt_child_care_subsidies  # Vermont Child Care Financial Assistance Program
-    - nh_child_care_subsidies  # New Hampshire Child Care Scholarship Program
-    - pa_child_care_subsidies  # Pennsylvania Child Care Works
-    - nj_child_care_subsidies  # New Jersey Child Care Assistance Program
-    - oh_child_care_subsidies  # Ohio Publicly Funded Child Care
-    - nv_child_care_subsidies  # Nevada Child Care and Development Program (CCDP)
-    - or_child_care_subsidies  # Oregon Employment Related Day Care
-    - ri_child_care_subsidies  # Rhode Island Child Care Assistance Program
-    - sc_child_care_subsidies  # South Carolina Child Care Scholarship Program
-    - ut_child_care_subsidies  # Utah Child Care Assistance (CC)
-    - va_child_care_subsidies  # Virginia Child Care Subsidy Program
-    - wa_child_care_subsidies  # Washington Working Connections Child Care
-    - wi_child_care_subsidies  # Wisconsin Shares Child Care Subsidy Program
-    - wv_child_care_subsidies  # West Virginia Child Care Assistance Program
-    - nd_child_care_subsidies  # North Dakota Child Care Assistance Program
-    - ok_child_care_subsidies  # Oklahoma Child Care Subsidy Program
-    - sd_child_care_subsidies  # South Dakota Child Care Assistance (CCA)
-    - nc_child_care_subsidies  # North Carolina Subsidized Child Care Assistance
     - dc_child_care_subsidies  # DC Child Care Subsidy Program
     - tn_child_care_subsidies  # Tennessee Child Care Certificate Program (Smart Steps)
-    - wy_child_care_subsidies  # Wyoming Child Care, Purchase of Service
     - tx_child_care_subsidies  # Texas Child Care Services (CCS)
-    - ny_child_care_subsidies  # New York Child Care Assistance Program
 
 metadata:
   unit: list

diff --git a/policyengine_us/reforms/congress/tlaib/boost/boost_middle_class_tax_credit.py b/policyengine_us/reforms/congress/tlaib/boost/boost_middle_class_tax_credit.py
@@ -110,7 +110,6 @@ def formula(spm_unit, period, parameters):
                 # California programs.
                 "ca_cvrp",  # California Clean Vehicle Rebate Project.
                 # Colorado programs.
-                "co_ccap_subsidy",
                 "co_state_supplement",
                 "co_oap",
                 "snap",
@@ -147,6 +146,12 @@ def formula(spm_unit, period, parameters):
                 BENEFITS.append("aca_ptc")
             if not parameters(period).gov.hud.abolition:
                 BENEFITS.append("spm_unit_capped_housing_subsidy")
+            # From 2024, child care subsidies lower the expense in
+            # spm_unit_capped_work_childcare_expenses instead of adding to
+            # resources. That expense has no formula before 2024, so this one
+            # stays a resource until then.
+            if period.start.year < 2024:
+                BENEFITS.append("co_ccap_subsidy")
             p = parameters(
                 period
             ).gov.contrib.congress.tlaib.boost.middle_class_tax_credit

diff --git a/...e_us/reforms/congress/tlaib/economic_dignity_for_all_agenda/edaa_end_child_poverty_act.py b/...e_us/reforms/congress/tlaib/economic_dignity_for_all_agenda/edaa_end_child_poverty_act.py
@@ -119,7 +119,6 @@ def formula(spm_unit, period, parameters):
                 "ssi",
                 "ma_state_supplement",
                 "ca_cvrp",
-                "co_ccap_subsidy",
                 "co_state_supplement",
                 "co_oap",
                 "snap",
@@ -159,6 +158,12 @@ def formula(spm_unit, period, parameters):
                 BENEFITS.append("aca_ptc")
             if not parameters(period).gov.hud.abolition:
                 BENEFITS.append("spm_unit_capped_housing_subsidy")
+            # From 2024, child care subsidies lower the expense in
+            # spm_unit_capped_work_childcare_expenses instead of adding to
+            # resources. That expense has no formula before 2024, so this one
+            # stays a resource until then.
+            if period.start.year < 2024:
+                BENEFITS.append("co_ccap_subsidy")
 
             return add(spm_unit, period, BENEFITS)
 

diff --git a/policyengine_us/reforms/congress/tlaib/end_child_poverty_act.py b/policyengine_us/reforms/congress/tlaib/end_child_poverty_act.py
@@ -138,7 +138,6 @@ def formula(spm_unit, period, parameters):
                 # California programs.
                 "ca_cvrp",  # California Clean Vehicle Rebate Project.
                 # Colorado programs.
-                "co_ccap_subsidy",
                 "co_state_supplement",
                 "co_oap",
                 "snap",
@@ -176,6 +175,12 @@ def formula(spm_unit, period, parameters):
                 BENEFITS.append("aca_ptc")
             if not parameters(period).gov.hud.abolition:
                 BENEFITS.append("spm_unit_capped_housing_subsidy")
+            # From 2024, child care subsidies lower the expense in
+            # spm_unit_capped_work_childcare_expenses instead of adding to
+            # resources. That expense has no formula before 2024, so this one
+            # stays a resource until then.
+            if period.start.year < 2024:
+                BENEFITS.append("co_ccap_subsidy")
             return add(spm_unit, period, BENEFITS)
 
     class income_tax_refundable_credits(Variable):

diff --git a/policyengine_us/reforms/states/tx/rebate/tx_rebate.py b/policyengine_us/reforms/states/tx/rebate/tx_rebate.py
@@ -77,19 +77,14 @@ def formula(spm_unit, period, parameters):
                 # California programs.
                 "ca_cvrp",  # California Clean Vehicle Rebate Project.
                 # Colorado programs.
-                "co_ccap_subsidy",
                 "co_state_supplement",
                 "co_oap",
-                # Washington programs.
-                "wa_child_care_subsidies",
                 # New Mexico programs.
                 "nm_ssi_state_supplement",
                 # South Carolina programs.
                 "sc_ssi_state_supplement",
                 # Texas programs.
                 "tx_ssi_state_supplement",
-                # West Virginia programs.
-                "wv_child_care_subsidies",
                 "snap",
                 "wic",
                 "free_school_meals",
@@ -131,6 +126,18 @@ def formula(spm_unit, period, parameters):
                 BENEFITS.append("assigned_aca_ptc")
             if not parameters(period).gov.hud.abolition:
                 BENEFITS.append("spm_unit_capped_housing_subsidy")
+            # From 2024, child care subsidies lower the expense in
+            # spm_unit_capped_work_childcare_expenses instead of adding to
+            # resources. That expense has no formula before 2024, so these
+            # three stay resources until then.
+            if period.start.year < 2024:
+                BENEFITS.extend(
+                    [
+                        "co_ccap_subsidy",
+                        "wa_child_care_subsidies",
+                        "wv_child_care_subsidies",
+                    ]
+                )
             return add(spm_unit, period, BENEFITS)
 
     class reform(Reform):
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Count every state child care subsidy in the Supplemental Poverty Measure from 2024 by netting it from the SPM child care expense in household calculations, keep the ASEC's reported spending as that expense over a dataset while a reform moves it by the change in subsidy, and add the District of Columbia, Tennessee and Texas subsidies to the 2024 program list. Rebuild a reform's baseline arm without the holders the reform built for its own definition of a variable in another entity or with other ETERNITY storage, as core's own branch does, then set again each input a dataset or set_input gave the reform for such a variable, wherever the baseline's definition can hold it.