TaxMath
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·5 min read·Federal
by TaxMath

2026 Federal Tax Brackets: Why the TCJA Didn't Sunset After All

Sources

Ordered by authority — the law and the agencies administering it first. Every link is checked for rot; see all sources.

  1. Primary law
    26 U.S.C. §1 — Tax imposedOffice of the Law Revision Counsel · checked 2026-08-02Statutory rate schedules, including the capital gains schedule.Other articles citing this source
  2. Primary law
    26 U.S.C. §199A — Qualified business incomeOffice of the Law Revision Counsel · checked 2026-08-02The 20% pass-through deduction, SSTB treatment, and the wage and property limits.Other articles citing this source
  3. Primary law
    H.R. 1 — One Big Beautiful Bill Act, 119th CongressU.S. Congress · published 2025-07-04 · checked 2026-08-02Bill text, section-by-section summary, and legislative history.Other articles citing this source
  4. Primary law
    One Big Beautiful Bill Act, Public Law 119-21U.S. Government Publishing Office · published 2025-07-04 · checked 2026-08-02The Act as enacted — controlling text for every OBBB provision described on this site.Other articles citing this source
  5. Primary law
    Tax Cuts and Jobs Act, Public Law 115-97U.S. Government Publishing Office · published 2017-12-22 · checked 2026-08-02The 2017 Act, including the sunset dates the OBBB later overrode.Other articles citing this source
  6. Government
    Estate and gift taxesInternal Revenue Service · checked 2026-08-02The unified estate and gift exclusion, the annual gift exclusion, and the GST tax.Other articles citing this source
  7. Government
    Internal Revenue BulletinsInternal Revenue Service · checked 2026-08-02The authoritative text of each annual inflation-adjustment revenue procedure.Other articles citing this source
  8. Government
    IRS releases tax inflation adjustments for tax year 2026, including amendments from the One Big Beautiful BillInternal Revenue Service · checked 2026-08-02Source of record for the 2026 brackets, standard deduction, AMT exemption, and estate exclusion.Other articles citing this source
  9. Government
    Qualified business income deductionInternal Revenue Service · checked 2026-08-02Who can claim the 20% deduction, SSTB treatment, and the income thresholds.Other articles citing this source
  10. Government
    Topic no. 551, Standard deductionInternal Revenue Service · checked 2026-08-02Standard deduction amounts and the additional amount for taxpayers 65 or older.Other articles citing this source
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