{
  "version": "2026.1",
  "generated_by": "frontend/js/calc/constants-2026.js (QCConstants2026.ORDINARY_BRACKETS/STD_DEDUCTION/ADDITIONAL_STD_DEDUCTION_AGED/OBBBA_SENIOR_DEDUCTION) — QuantCalc's canonical client-side tax-constants mirror",
  "source": "2026 federal ordinary-income tax brackets (Rev. Proc. 2025-32) + OBBBA §70103 senior deduction (Pub. L. 119-21)",
  "generated_at": "2026-07-21T13:06:32.892Z",
  "filing_statuses": [
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      "mfj": 150000,
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    "first_year": 2025,
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}