DC "Give SNAP A Raise" program

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: minor
+  changes:
+    added:
+    - DC "Give SNAP A Raise" program.

policyengine_us/parameters/gov/states/dc/snap/max_months.yaml

@@ -0,0 +1,8 @@
+description: Government provides DC a raise to snap within the maximum months of 2024.
+metadata:
+  reference:
+    - title: Supplemental Nutrition Assistance Program (SNAP) raise in District of Columbia in 2024.
+      href: https://dhs.dc.gov/page/give-snap-raise-heres-what-expect
+  label: Colorado Child Care Assistance Program disabled child age limit
+  unit: months
+values: 9

policyengine_us/parameters/gov/states/dc/snap/rate.yaml

@@ -0,0 +1,11 @@
+description: DC snap increased at this rate.
+values:
+  2024-10-01: 0.1
+  2024-11-01: 0
+metadata:
+  period: year
+  unit: /1
+  label: "DC snap rate raise"
+  reference:
+    - title: Supplemental Nutrition Assistance Program (SNAP) raise in District of Columbia in 2024.
+      href: https://dhs.dc.gov/page/give-snap-raise-heres-what-expect

policyengine_us/tests/policy/baseline/gov/usda/snap/snap.yaml

@@ -15,5 +15,6 @@
       2022-10: 0
       2022-11: 0
       2022-12: 0
+    dc_snap_temporary_local_benefit: 3
   output:
-    snap: 3
+    snap: 6

policyengine_us/variables/gov/usda/snap/dc_snap_temporary_local_benefit.py

@@ -0,0 +1,29 @@
+from policyengine_us.model_api import *
+
+
+class dc_snap_temporary_local_benefit(Variable):
+    value_type = float
+    entity = SPMUnit
+    definition_period = MONTH
+    documentation = "DC temporary SNAP benefit amount"
+    label = "DC SNAP amount"
+    reference = "https://dhs.dc.gov/page/give-snap-raise-heres-what-expect"
+    unit = USD
+    defined_for = StateCode.DC
+
+    def formula(spm_unit, period, parameters):
+        p = parameters(period).gov.states.dc.snap
+
+        max_allotments = parameters(period).gov.usda.snap.max_allotment
+
+        snap_region = spm_unit.household("snap_region_str", period)
+
+        applicable_months = min_(MONTHS_IN_YEAR, p.max_months)
+
+        dc_local_allotment = (
+            max_allotments.main[snap_region][household_size]
+            * p.rate
+            * applicable_months
+        )
+
+        return dc_local_allotment

policyengine_us/variables/gov/usda/snap/snap.py

@@ -19,5 +19,9 @@ def formula(spm_unit, period, parameters):
             return add(
                 spm_unit,
                 period,
-                ["snap_normal_allotment", "snap_emergency_allotment"],
+                [
+                    "snap_normal_allotment",
+                    "snap_emergency_allotment",
+                    "dc_snap_temporary_local_benefit",
+                ],
             )