Implement North Dakota TANF program

changelog_entry.yaml

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+- bump: minor
+  changes:
+    added:
+      - Implemented North Dakota Temporary Assistance for Needy Families (TANF) program

policyengine_us/parameters/gov/states/nd/dhs/tanf/benefit/max_children.yaml

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+description: North Dakota limits the number of children at this amount for standard of need lookup under the Temporary Assistance for Needy Families program.
+values:
+  2015-10-01: 10
+
+metadata:
+  unit: person
+  period: month
+  label: North Dakota TANF max children for standard of need
+  reference:
+    - title: North Dakota Policy Manual 400-19-110-05 Standard of Need Chart
+      href: https://www.nd.gov/dhs/policymanuals/40019/400_19_110_05.htm

policyengine_us/parameters/gov/states/nd/dhs/tanf/benefit/standard_of_need.yaml

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+description: North Dakota provides this amount as the standard of need under the Temporary Assistance for Needy Families program.
+metadata:
+  label: North Dakota TANF standard of need
+  unit: currency-USD
+  period: month
+  breakdown:
+    - range(1, 3)
+    - range(1, 11)
+  breakdown_label:
+    - Number of caretakers
+    - Number of children
+  reference:
+    - title: North Dakota Policy Manual 400-19-110-05 Standard of Need Chart
+      href: https://www.nd.gov/dhs/policymanuals/40019/400_19_110_05.htm
+    - title: North Dakota Policy Manual 400-19-110-05 Standard of Need Chart (2024-10-01)
+      href: https://www.nd.gov/dhs/policymanuals/40019/Archive%20Documents/2025/Release%2025.1/400_19_110_05.htm
+    - title: North Dakota Policy Manual 400-19-110-05 Standard of Need Chart (2023-08-01)
+      href: https://www.nd.gov/dhs/policymanuals/40019/Archive%20Documents/2024%20-%20ML%203869/400_19_110_05.htm
+    - title: North Dakota Policy Manual 400-19-110-05 Standard of Need Chart (2015-10-01)
+      href: https://www.nd.gov/dhs/policymanuals/40019/Archive%20Documents/2023%20-%20ML%203740/400_19_110_05.htm
+    - title: N.D. Admin Code 75-02-01.2-35(1) - Authority for Standard of Need
+      href: https://www.law.cornell.edu/regulations/north-dakota/N-D-A-C-75-02-1.2-35
+
+0:
+  0:
+    2015-10-01: 0
+  1:
+    2015-10-01: 166
+    2023-08-01: 332
+    2024-10-01: 349
+    2025-10-01: 366
+  2:
+    2015-10-01: 243
+    2023-08-01: 486
+    2024-10-01: 510
+    2025-10-01: 536
+  3:
+    2015-10-01: 316
+    2023-08-01: 632
+    2024-10-01: 664
+    2025-10-01: 697
+  4:
+    2015-10-01: 393
+    2023-08-01: 786
+    2024-10-01: 825
+    2025-10-01: 866
+  5:
+    2015-10-01: 466
+    2023-08-01: 932
+    2024-10-01: 979
+    2025-10-01: 1_028
+  6:
+    2015-10-01: 543
+    2023-08-01: 1_086
+    2024-10-01: 1_140
+    2025-10-01: 1_197
+  7:
+    2015-10-01: 617
+    2023-08-01: 1_234
+    2024-10-01: 1_296
+    2025-10-01: 1_361
+  8:
+    2015-10-01: 693
+    2023-08-01: 1_386
+    2024-10-01: 1_455
+    2025-10-01: 1_528
+  9:
+    2015-10-01: 767
+    2023-08-01: 1_534
+    2024-10-01: 1_611
+    2025-10-01: 1_692
+  10:
+    2015-10-01: 843
+    2023-08-01: 1_686
+    2024-10-01: 1_770
+    2025-10-01: 1_859
+
+1:
+  0:
+    2015-10-01: 237
+    2023-08-01: 474
+    2024-10-01: 498
+    2025-10-01: 523
+  1:
+    2015-10-01: 335
+    2023-08-01: 670
+    2024-10-01: 704
+    2025-10-01: 739
+  2:
+    2015-10-01: 436
+    2023-08-01: 872
+    2024-10-01: 916
+    2025-10-01: 962
+  3:
+    2015-10-01: 533
+    2023-08-01: 1_066
+    2024-10-01: 1_119
+    2025-10-01: 1_175
+  4:
+    2015-10-01: 632
+    2023-08-01: 1_264
+    2024-10-01: 1_327
+    2025-10-01: 1_393
+  5:
+    2015-10-01: 731
+    2023-08-01: 1_462
+    2024-10-01: 1_535
+    2025-10-01: 1_612
+  6:
+    2015-10-01: 830
+    2023-08-01: 1_660
+    2024-10-01: 1_743
+    2025-10-01: 1_830
+  7:
+    2015-10-01: 929
+    2023-08-01: 1_858
+    2024-10-01: 1_951
+    2025-10-01: 2_049
+  8:
+    2015-10-01: 1_028
+    2023-08-01: 2_056
+    2024-10-01: 2_159
+    2025-10-01: 2_267
+  9:
+    2015-10-01: 1_127
+    2023-08-01: 2_254
+    2024-10-01: 2_367
+    2025-10-01: 2_485
+  10:
+    2015-10-01: 1_225
+    2023-08-01: 2_450
+    2024-10-01: 2_573
+    2025-10-01: 2_702
+
+2:
+  0:
+    2015-10-01: 335
+    2023-08-01: 670
+    2024-10-01: 704
+    2025-10-01: 739
+  1:
+    2015-10-01: 436
+    2023-08-01: 872
+    2024-10-01: 916
+    2025-10-01: 962
+  2:
+    2015-10-01: 533
+    2023-08-01: 1_066
+    2024-10-01: 1_119
+    2025-10-01: 1_175
+  3:
+    2015-10-01: 632
+    2023-08-01: 1_264
+    2024-10-01: 1_327
+    2025-10-01: 1_393
+  4:
+    2015-10-01: 731
+    2023-08-01: 1_462
+    2024-10-01: 1_535
+    2025-10-01: 1_612
+  5:
+    2015-10-01: 830
+    2023-08-01: 1_660
+    2024-10-01: 1_743
+    2025-10-01: 1_830
+  6:
+    2015-10-01: 929
+    2023-08-01: 1_858
+    2024-10-01: 1_951
+    2025-10-01: 2_049
+  7:
+    2015-10-01: 1_028
+    2023-08-01: 2_056
+    2024-10-01: 2_159
+    2025-10-01: 2_267
+  8:
+    2015-10-01: 1_127
+    2023-08-01: 2_254
+    2024-10-01: 2_367
+    2025-10-01: 2_485
+  9:
+    2015-10-01: 1_225
+    2023-08-01: 2_450
+    2024-10-01: 2_573
+    2025-10-01: 2_702
+  10:
+    2015-10-01: 1_325
+    2023-08-01: 2_650
+    2024-10-01: 2_783
+    2025-10-01: 2_922

policyengine_us/parameters/gov/states/nd/dhs/tanf/income/deductions/standard_employment_expense/minimum.yaml

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+description: North Dakota excludes at least this amount from gross earned income as a standard employment expense allowance under the Temporary Assistance for Needy Families program.
+
+values:
+  1997-07-01: 180
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: North Dakota TANF standard employment expense minimum
+  reference:
+    - title: North Dakota Policy Manual 400-19-105-25 Employment Disregards
+      href: https://www.nd.gov/dhs/policymanuals/40019/400_19_105_25.htm
+    - title: N.D. Admin Code 75-02-01.2-51(2)(a) Disregard of Earned Income
+      href: https://www.law.cornell.edu/regulations/north-dakota/N-D-A-C-75-02-1.2-51

policyengine_us/parameters/gov/states/nd/dhs/tanf/income/deductions/standard_employment_expense/rate.yaml

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+description: North Dakota excludes this share of gross earned income as a standard employment expense allowance under the Temporary Assistance for Needy Families program.
+
+values:
+  1997-07-01: 0.27
+
+metadata:
+  unit: /1
+  period: month
+  label: North Dakota TANF standard employment expense rate
+  reference:
+    - title: North Dakota Policy Manual 400-19-105-25 Employment Disregards
+      href: https://www.nd.gov/dhs/policymanuals/40019/400_19_105_25.htm
+    - title: N.D. Admin Code 75-02-01.2-51(2)(a) Disregard of Earned Income
+      href: https://www.law.cornell.edu/regulations/north-dakota/N-D-A-C-75-02-1.2-51

policyengine_us/parameters/gov/states/nd/dhs/tanf/income/deductions/time_limited_percentage/rate.yaml

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+description: North Dakota excludes this share of earned income as a time limited percentage disregard under the Temporary Assistance for Needy Families program.
+# NOTE: This uses calendar month as a proxy for participation months.
+# The disregard cycle resets each January (month 1).
+# In reality, TLP tracks cumulative participation months, but PolicyEngine
+# currently lacks the infrastructure to track state over time.
+
+brackets:
+  - threshold:
+      1997-07-01: 1
+    amount:
+      1997-07-01: 0.5    # Months 1-6: 50%
+  - threshold:
+      1997-07-01: 7
+    amount:
+      1997-07-01: 0.35   # Months 7-9: 35%
+  - threshold:
+      1997-07-01: 10
+    amount:
+      1997-07-01: 0.25   # Months 10-12: 25%
+  # NOTE: Threshold 13 commented out because calendar month proxy only goes 1-12.
+  # In actual ND TANF policy, TLP ends after 12 months of participation (0% disregard).
+  # - threshold:
+  #     1997-07-01: 13
+  #   amount:
+  #     1997-07-01: 0.0    # Months 13+: 0%
+
+metadata:
+  type: single_amount
+  threshold_unit: month
+  amount_unit: /1
+  label: North Dakota TANF time limited percentage rate
+  reference:
+    - title: North Dakota Policy Manual 400-19-105-25 Employment Disregards
+      href: https://www.nd.gov/dhs/policymanuals/40019/400_19_105_25.htm
+    - title: N.D. Admin Code 75-02-01.2-51(2)(c)(1) Disregard of Earned Income
+      href: https://www.law.cornell.edu/regulations/north-dakota/N-D-A-C-75-02-1.2-51

policyengine_us/parameters/gov/states/nd/dhs/tanf/resources/limit/base.yaml

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+description: North Dakota limits resources to this amount based on household size under the Temporary Assistance for Needy Families program.
+metadata:
+  label: North Dakota TANF resource limit base
+  unit: currency-USD
+  period: month
+  reference:
+    - title: North Dakota Policy Manual 400-19-55-05-05 Asset Limits
+      href: https://www.nd.gov/dhs/policymanuals/40019/400_19_55_05_05.htm
+    - title: N.D. Admin Code 75-02-01.2-22 Asset Limits
+      href: https://www.law.cornell.edu/regulations/north-dakota/N-D-A-C-75-02-1.2-22
+1:
+  1997-07-01: 3_000
+2:
+  1997-07-01: 6_000

policyengine_us/parameters/gov/states/nd/dhs/tanf/resources/limit/increment.yaml

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+description: North Dakota increases the resource limit by this amount for each person beyond two under the Temporary Assistance for Needy Families program.
+
+values:
+  1997-07-01: 25
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: North Dakota TANF resource limit per additional person
+  reference:
+    - title: North Dakota Policy Manual 400-19-55-05-05 Asset Limits
+      href: https://www.nd.gov/dhs/policymanuals/40019/400_19_55_05_05.htm
+    - title: N.D. Admin Code 75-02-01.2-22 Asset Limits
+      href: https://www.law.cornell.edu/regulations/north-dakota/N-D-A-C-75-02-1.2-22