2025›Instructions for Form 4684
What’s New
2025 Inst 4684 (PDF) · 2026-10-03 edition · updated 2026-10-04 · United States
Expansion of mandatory postponement. The Filing Relief for Natural Disasters Act expanded the mandatory postponement of certain tax deadlines for disasters declared after July 24, 2025. Taxpayers affected by qualified state-declared disasters may now qualify for the postponement of certain tax deadlines such as filing or paying income, excise, and employment taxes; and making contributions to a traditional IRA or Roth IRA. Additionally, the automatic 60-day extension for certain federal tax deadlines is increased to 120 days for both federally declared disasters and qualified state-declared disasters after July 24, 2025. For more information, see Pub. 547, Casualties, Disasters, and Thefts.
Extended disaster tax relief benefits. P.L. 119-21, commonly known as the One Big Beautiful Bill Act, extended the special rules and return procedures for personal casualty losses attributable to certain major federal disasters declared between January 1, 2020, and September 2, 2025. Qualified disaster losses can be claimed on Form 4684. For more information, see Qualified disaster losses .
Losses from financial scams. If you were a victim of a financial scam involving a transaction entered into for profit, you may be able to claim a theft loss deduction. For more information, see Losses From Financial Scams .
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