{
  "tool_id": "art-224-fha-mip-eligibility",
  "note": "Vectors derived from HUD Handbook 4000.1 + Mortgagee Letter 2023-05 (table_version HUD-MIP-ML2023-05-ML2024-01, public). UFMIP fixed 1.75%. golden_hash empty until golden-parity --update.",
  "vectors": [
    {
      "name": "fha_eligible_965_purchase",
      "description": "FHA-eligible max LTV: base loan $300,000, LTV 96.5, 30yr, FICO 620, front DTI 30 / back 42. UFMIP 1.75% = $5,250; annual MIP 0.55% (LTV>95); life-of-loan MIP.",
      "policy_parameters": {
        "base_loan_amount": 300000,
        "ltv_pct": 96.5,
        "term_years": 30,
        "fico_score": 620,
        "front_end_dti_pct": 30,
        "back_end_dti_pct": 42,
        "loan_purpose": "purchase"
      },
      "output_payload": {
        "fha_eligible": true,
        "fico_eligible": true,
        "ltv_eligible": true,
        "max_ltv_pct": 96.5,
        "ufmip": {
          "rate_pct": 1.75,
          "amount": 5250,
          "note": "Financed into loan amount (or paid at closing)"
        },
        "annual_mip": {
          "rate_pct": 0.55,
          "annual_amount": 1650,
          "monthly_amount": 137.5,
          "duration": "life_of_loan"
        },
        "dti": {
          "front_end_guideline_pct": 31,
          "back_end_guideline_pct": 43,
          "front_end_actual_pct": 30,
          "back_end_actual_pct": 42,
          "front_dti_ok": true,
          "back_dti_ok": true,
          "compensating_factors_needed": false
        },
        "table_version": "HUD-MIP-ML2023-05-ML2024-01",
        "table_source": "HUD Handbook 4000.1 §II.A.8.p-q; HUD Mortgagee Letter 2023-05 (effective 2023-03-20); ML 2024-01",
        "regulatory_basis": "12 USC 1709 (National Housing Act §203(b)); HUD Handbook 4000.1; 24 CFR Part 203",
        "note": "FHA MIP rates from ML 2023-05 (reduced rates effective Mar 2023). Verify current Mortgagee Letter schedule for any updates beyond 2025.",
        "pii_note": "All inputs processed locally in your browser. No data is transmitted."
      },
      "golden_hash": "0755aecdb0b097f7009b6bb99c3f06fe3feeb5666cc2d9392e79ddb00ae9052c"
    },
    {
      "name": "fha_ineligible_fico_below_500",
      "description": "INELIGIBLE: FICO 480 below FHA 500 floor. Max LTV 0, ineligible.",
      "policy_parameters": {
        "base_loan_amount": 300000,
        "ltv_pct": 90,
        "term_years": 30,
        "fico_score": 480,
        "loan_purpose": "purchase"
      },
      "output_payload": {
        "fha_eligible": false,
        "fico_eligible": false,
        "ltv_eligible": false,
        "max_ltv_pct": 0,
        "ufmip": {
          "rate_pct": 1.75,
          "amount": 5250,
          "note": "Financed into loan amount (or paid at closing)"
        },
        "annual_mip": {
          "rate_pct": 0.5,
          "annual_amount": 1500,
          "monthly_amount": 125,
          "duration": "11_years"
        },
        "dti": {
          "front_end_guideline_pct": 31,
          "back_end_guideline_pct": 43,
          "front_end_actual_pct": 0,
          "back_end_actual_pct": 0,
          "front_dti_ok": true,
          "back_dti_ok": true,
          "compensating_factors_needed": false
        },
        "table_version": "HUD-MIP-ML2023-05-ML2024-01",
        "table_source": "HUD Handbook 4000.1 §II.A.8.p-q; HUD Mortgagee Letter 2023-05 (effective 2023-03-20); ML 2024-01",
        "regulatory_basis": "12 USC 1709 (National Housing Act §203(b)); HUD Handbook 4000.1; 24 CFR Part 203",
        "note": "FHA MIP rates from ML 2023-05 (reduced rates effective Mar 2023). Verify current Mortgagee Letter schedule for any updates beyond 2025.",
        "pii_note": "All inputs processed locally in your browser. No data is transmitted."
      },
      "golden_hash": "3b2944c65daf2f4768823d29de40cba0e5319c1492c62bf1453236c113c1a5fe"
    }
  ]
}