Implement Georgia State Supplementary Payment (SSP)

changelog.d/ga-ssp.added.md

@@ -0,0 +1 @@
+Implement Georgia State Supplementary Payment (SSP).

policyengine_us/parameters/gov/household/household_state_benefits.yaml

@@ -3,6 +3,8 @@ values:
   2023-01-01:
     # Delaware benefits
     - de_ssp
+    # Georgia benefits
+    - ga_ssp
     # Massachusetts benefits
     - ma_state_supplement
     # Colorado benefits
@@ -31,6 +33,8 @@ values:
   2024-01-01:
     # Delaware benefits
     - de_ssp
+    # Georgia benefits
+    - ga_ssp
     # Massachusetts benefits
     - ma_state_supplement
     # Colorado benefits

policyengine_us/parameters/gov/states/ga/dhs/ssp/amount.yaml

@@ -0,0 +1,17 @@
+description: Georgia provides this amount as the monthly supplement under the State Supplementary Payment program.
+values:
+  2006-07-01: 20
+  2018-07-01: 35
+  2019-07-01: 40
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Georgia SSP monthly supplement amount
+  reference:
+    - title: SSA State Assistance Programs for SSI Recipients, January 2011 - Georgia, Table 1 ($20 value only)
+      href: https://www.ssa.gov/policy/docs/progdesc/ssi_st_asst/2011/ga.html
+    - title: Georgia DFCS PAMMS 2578, State Supplement Payment Amounts Table
+      href: https://pamms.dhs.ga.gov/dfcs/medicaid/2578/
+    - title: CMS State Plan Amendment GA 18-0004, Personal Needs Allowance
+      href: https://www.medicaid.gov/sites/default/files/State-resource-center/Medicaid-State-Plan-Amendments/Downloads/GA/GA-18-0004.pdf#page=5

policyengine_us/tests/policy/baseline/gov/states/ga/dhs/ssp/edge_cases.yaml

@@ -0,0 +1,162 @@
+- name: Case 1, non-Georgia resident gets zero.
+  absolute_error_margin: 0.01
+  period: 2024-01
+  input:
+    people:
+      person1:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: true
+    spm_units:
+      spm_unit:
+        members: [person1]
+    households:
+      household:
+        members: [person1]
+        state_code: FL
+  output:
+    ga_ssp_eligible_person: [false]
+    ga_ssp_person: [0]
+    ga_ssp: 0
+
+- name: Case 2, first era 2018-01 still returns $20.
+  # 2018-01 is the last January in the $20 era (rate changes 2018-07-01).
+  absolute_error_margin: 0.01
+  period: 2018-01
+  input:
+    people:
+      person1:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: true
+    spm_units:
+      spm_unit:
+        members: [person1]
+    households:
+      household:
+        members: [person1]
+        state_code: GA
+  output:
+    ga_ssp_eligible_person: [true]
+    # $20/month (effective 2006-07-01, not yet changed to $35)
+    ga_ssp_person: [20]
+    ga_ssp: 20
+
+- name: Case 3, 2020-01 returns $40 confirming third era.
+  # 2020-01 is the first January fully in the $40 era (effective 2019-07-01).
+  absolute_error_margin: 0.01
+  period: 2020-01
+  input:
+    people:
+      person1:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: true
+    spm_units:
+      spm_unit:
+        members: [person1]
+    households:
+      household:
+        members: [person1]
+        state_code: GA
+  output:
+    ga_ssp_eligible_person: [true]
+    # $40/month (effective 2019-07-01)
+    ga_ssp_person: [40]
+    ga_ssp: 40
+
+- name: Case 4, couple where only one is in Medicaid facility.
+  absolute_error_margin: 0.01
+  period: 2024-01
+  input:
+    people:
+      person1:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: true
+      person2:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: false
+    spm_units:
+      spm_unit:
+        members: [person1, person2]
+    households:
+      household:
+        members: [person1, person2]
+        state_code: GA
+  output:
+    ga_ssp_eligible_person: [true, false]
+    # Only person1 gets $40; person2 is ineligible (not in facility)
+    ga_ssp_person: [40, 0]
+    ga_ssp: 40
+
+- name: Case 5, couple both in facility during first era.
+  absolute_error_margin: 0.01
+  period: 2018-01
+  input:
+    people:
+      person1:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: true
+      person2:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: true
+    spm_units:
+      spm_unit:
+        members: [person1, person2]
+    households:
+      household:
+        members: [person1, person2]
+        state_code: GA
+  output:
+    ga_ssp_eligible_person: [true, true]
+    # $20/month each in the first era
+    ga_ssp_person: [20, 20]
+    # SPM unit total = $20 + $20 = $40
+    ga_ssp: 40
+
+- name: Case 6, couple both ineligible gets zero.
+  absolute_error_margin: 0.01
+  period: 2024-01
+  input:
+    people:
+      person1:
+        is_ssi_eligible: false
+        ga_ssp_in_medicaid_facility: false
+      person2:
+        is_ssi_eligible: false
+        ga_ssp_in_medicaid_facility: false
+    spm_units:
+      spm_unit:
+        members: [person1, person2]
+    households:
+      household:
+        members: [person1, person2]
+        state_code: GA
+  output:
+    ga_ssp_eligible_person: [false, false]
+    ga_ssp_person: [0, 0]
+    ga_ssp: 0
+
+- name: Case 7, couple with mixed eligibility in second era.
+  # person1: SSI-eligible + in facility -> eligible
+  # person2: SSI-eligible + NOT in facility -> ineligible
+  # Tests asymmetric facility status during $35 era.
+  absolute_error_margin: 0.01
+  period: 2019-01
+  input:
+    people:
+      person1:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: true
+      person2:
+        is_ssi_eligible: true
+        ga_ssp_in_medicaid_facility: false
+    spm_units:
+      spm_unit:
+        members: [person1, person2]
+    households:
+      household:
+        members: [person1, person2]
+        state_code: GA
+  output:
+    ga_ssp_eligible_person: [true, false]
+    # $35/month for person1 only (effective 2018-07-01)
+    ga_ssp_person: [35, 0]
+    ga_ssp: 35