hua7450 · Oct 12, 2026 · Oct 13, 2026 · Oct 13, 2026
diff --git a/changelog.d/vt-ssp-2026.added.md b/changelog.d/vt-ssp-2026.added.md
@@ -0,0 +1 @@
+Add Vermont federally administered optional AABD supplement rates and calculations for 2026. Add Vermont 2026 Essential Person grants alongside federally administered AABD.
diff --git a/policyengine_us/parameters/gov/household/household_state_benefits.yaml b/policyengine_us/parameters/gov/household/household_state_benefits.yaml
@@ -71,6 +71,8 @@ values:
     - sc_ssi_state_supplement
     # Texas benefits
     - tx_ssi_state_supplement
+    # Vermont benefits
+    - vt_aabd
     # Virginia benefits
     - va_child_care_subsidies
     # Massachusetts benefits
@@ -163,6 +165,8 @@ values:
     - sc_ssi_state_supplement
     # Texas benefits
     - tx_ssi_state_supplement
+    # Vermont benefits
+    - vt_aabd
     # Virginia benefits
     - va_child_care_subsidies
     # West Virginia benefits
@@ -265,6 +269,8 @@ values:
     - sc_ssi_state_supplement
     # Texas benefits
     - tx_ssi_state_supplement
+    # Vermont benefits
+    - vt_aabd
     # Virginia benefits
     - va_child_care_subsidies
     # West Virginia benefits
@@ -368,6 +374,8 @@ values:
     - sc_ssi_state_supplement
     # Texas benefits
     - tx_ssi_state_supplement
+    # Vermont benefits
+    - vt_aabd
     # Virginia benefits
     - va_child_care_subsidies
     # West Virginia benefits
@@ -401,6 +409,7 @@ values:
     - nj_property_tax_relief
     # New York benefits
     - ny_child_care_subsidies
+
 metadata:
   unit: list
   period: year

diff --git a/policyengine_us/parameters/gov/hud/annual_income/sources/unearned.yaml b/policyengine_us/parameters/gov/hud/annual_income/sources/unearned.yaml
@@ -19,6 +19,7 @@ values:
     - strike_benefits
     - social_security
     - ssi
+    - vt_aabd
     - general_assistance
     - unemployment_compensation
     - child_support_received
@@ -29,6 +30,7 @@ values:
     - disability_benefits
     - survivor_benefits
     - financial_assistance
+
 metadata:
   unit: list
   period: year

diff --git a/policyengine_us/parameters/gov/ssa/ssi/state_supplement/minimum_payment.yaml b/policyengine_us/parameters/gov/ssa/ssi/state_supplement/minimum_payment.yaml
@@ -0,0 +1,13 @@
+description: The Social Security Administration pays at least this monthly amount to each recipient of a positive federally administered optional state supplement.
+values:
+  2026-01-01: 1
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: SSI optional state supplement minimum payment
+  reference:
+    - title: 20 CFR 416.2020(c) - Minimum federally administered supplementary payment
+      href: https://www.ssa.gov/OP_Home/cfr20/416/416-2020.htm
+    - title: POMS SI 02001.005 A.2 and B.2 - Minimum benefit for individuals and members of couples
+      href: https://secure.ssa.gov/poms.nsf/lnx/0502001005
diff --git a/policyengine_us/parameters/gov/states/vt/dcf/aabd/amount/couple.yaml b/policyengine_us/parameters/gov/states/vt/dcf/aabd/amount/couple.yaml
@@ -0,0 +1,32 @@
+description: Vermont provides this amount as the optional state supplement for an eligible couple under the Aid to the Aged, Blind or Disabled program.
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Vermont AABD couple payment rate
+  breakdown:
+    - vt_aabd_living_arrangement
+  reference:
+    - title: POMS SI 01415.058 M.2, Vermont January 2026 payment levels
+      href: https://secure.ssa.gov/poms.nsf/lnx/0501415058#m
+
+INDEPENDENT:
+  2026-01-01: 105.8
+
+HOUSEHOLD_OF_ANOTHER:
+  2026-01-01: 51.69
+
+RESIDENTIAL_CARE_LEVEL_III:
+  2026-01-01: 103.54
+
+RESIDENTIAL_CARE_LEVEL_IV:
+  2026-01-01: 601.4
+
+CUSTODIAL_CARE:
+  2026-01-01: 356.12
+
+MEDICAID_INSTITUTION:
+  2026-01-01: 99.85
+
+NONE:
+  2026-01-01: 0
diff --git a/policyengine_us/parameters/gov/states/vt/dcf/aabd/amount/individual.yaml b/policyengine_us/parameters/gov/states/vt/dcf/aabd/amount/individual.yaml
@@ -0,0 +1,32 @@
+description: Vermont provides this amount as the optional state supplement for an eligible individual under the Aid to the Aged, Blind or Disabled program.
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Vermont AABD individual payment rate
+  breakdown:
+    - vt_aabd_living_arrangement
+  reference:
+    - title: POMS SI 01415.058 M.2, Vermont January 2026 payment levels
+      href: https://secure.ssa.gov/poms.nsf/lnx/0501415058#m
+
+INDEPENDENT:
+  2026-01-01: 55.68
+
+HOUSEHOLD_OF_ANOTHER:
+  2026-01-01: 42.05
+
+RESIDENTIAL_CARE_LEVEL_III:
+  2026-01-01: 51.77
+
+RESIDENTIAL_CARE_LEVEL_IV:
+  2026-01-01: 239.62
+
+CUSTODIAL_CARE:
+  2026-01-01: 105.6
+
+MEDICAID_INSTITUTION:
+  2026-01-01: 49.93
+
+NONE:
+  2026-01-01: 0
diff --git a/policyengine_us/parameters/gov/states/vt/dcf/aabd/ep/couple_increment.yaml b/policyengine_us/parameters/gov/states/vt/dcf/aabd/ep/couple_increment.yaml
@@ -0,0 +1,14 @@
+description: Vermont provides this amount as the Essential Person increment for an eligible couple under the Aid to the Aged, Blind or Disabled program.
+values:
+  2025-01-01: 183.84
+  2026-01-01: 183.84
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Vermont Essential Person couple payment increment
+  reference:
+    - title: "AABD rule 2784(C) #page 44-45"
+      href: https://outside.vermont.gov/dept/DCF/Shared%20Documents/ESD/Rules/2700-AABD.pdf#page=44
+    - title: Bulletin 25-26, P2740B, AABD-EP payment maximums
+      href: https://outside.vermont.gov/dept/DCF/Shared%20Documents/ESD/Rules/B25-26.pdf#page=12
diff --git a/policyengine_us/parameters/gov/states/vt/dcf/aabd/ep/employment_expense.yaml b/policyengine_us/parameters/gov/states/vt/dcf/aabd/ep/employment_expense.yaml
@@ -0,0 +1,11 @@
+description: Vermont deducts this amount from each worker's earnings as an Essential Person employment expense under the Aid to the Aged, Blind or Disabled program.
+values:
+  2026-01-01: 90
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Vermont Essential Person employment expense deduction per worker
+  reference:
+    - title: AABD rules 2786 interpretive memo
+      href: https://outside.vermont.gov/dept/DCF/Shared%20Documents/ESD/Rules/2700-AABD.pdf#page=50
diff --git a/policyengine_us/parameters/gov/states/vt/dcf/aabd/ep/rate.yaml b/policyengine_us/parameters/gov/states/vt/dcf/aabd/ep/rate.yaml
@@ -0,0 +1,23 @@
+description: Vermont provides this share of the Essential Person maximum above the combined payment under the Aid to the Aged, Blind or Disabled program.
+
+metadata:
+  unit: /1
+  period: year
+  label: Vermont Essential Person care fraction
+  breakdown:
+    - vt_aabd_ep_level
+  reference:
+    - title: AABD rules 2784(A)
+      href: https://outside.vermont.gov/dept/DCF/Shared%20Documents/ESD/Rules/2700-AABD.pdf#page=44
+
+NONE:
+  2026-01-01: 0
+
+FULL:
+  2026-01-01: 1
+
+PARTIAL_67:
+  2026-01-01: 0.67
+
+PARTIAL_34:
+  2026-01-01: 0.34
diff --git a/policyengine_us/parameters/gov/usda/snap/income/sources/unearned.yaml b/policyengine_us/parameters/gov/usda/snap/income/sources/unearned.yaml
@@ -49,6 +49,7 @@ values:
     - nm_ssi_state_supplement
     - sc_ssi_state_supplement
     - tx_ssi_state_supplement
+    - vt_aabd
     - wa_ssp
     # Listed elsewhere: ca_state_supplement is an SPM unit variable with no
     # person-level counterpart. policyengine-core projects a group value onto
@@ -95,9 +96,7 @@ values:
 
 metadata:
   reference:
-    - title: 7 CFR 273.9(b)(2)
-      href: https://www.law.cornell.edu/cfr/text/7/273.9#b_2
-    - title: 7 CFR 273.9(c)(1)
-      href: https://www.law.cornell.edu/cfr/text/7/273.9#c_1
+    - title: 7 CFR 273.9(b)(2) and (c)(1)
+      href: https://www.law.cornell.edu/cfr/text/7/273.9
     - title: POMS SI 01401.001 General Information about State Supplementation
       href: https://secure.ssa.gov/poms.nsf/lnx/0501401001
diff --git a/policyengine_us/programs.yaml b/policyengine_us/programs.yaml
@@ -1090,6 +1090,17 @@ programs:
           tracks. Unmodeled paths: grandfathered medically-needy-in-medical-
           institution recipients per WAC 388-478-0055(2)(b); DDA-determined /
           PVL track per (2)(f); and foster child in BRS per (2)(g).
+      - state: VT
+        status: partial
+        name: Vermont optional AABD
+        full_name: Vermont Aid to the Aged, Blind or Disabled optional supplement
+        variable: vt_aabd
+        parameter_prefix: gov.states.vt.dcf.aabd
+        verified_years: "2026"
+        notes: >-
+          Models 2026 federally administered supplements and state Essential Person
+          grants. Mandatory grandfathered payments and the state-administered
+          limited-nursing Level III supplement are not modeled.
 
   - id: social_security
     name: Social Security
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Add Vermont federally administered optional AABD supplement rates and calculations for 2026. Add Vermont 2026 Essential Person grants alongside federally administered AABD.