Disaster Related Extension of Deadlines Act
Key claim: The Disaster Related Extension of Deadlines Act requires the IRS to treat federally declared disaster postponements of tax return and payment deadlines as extensions for calculating the three-year tax-refund lookback period and for timing IRS notices and demands.
Abstract
(HR1491 · 119th Congress) Disaster Related Extension of Deadlines Act This act requires the Internal Revenue Service (IRS) to treat the postponement of the federal tax return deadline due to a federally declared disaster or certain other events as an extension of such deadline for purposes of calculating the limit on a tax refund. The act also provides that the IRS’s deadline for sending certain notices includes such postponement. Under current law, a tax refund claim must be filed within three years of the date that the federal tax return is filed. (Some exceptions apply.) The tax refund amount generally is limited to federal taxes paid within the three years preceding the tax refund claim plus any extension of the federal tax return deadline (known as the lookback period). Under the law in effect prior to this act, the postponement of the federal tax return deadline is not an extension for purposes of the lookback period. Thus, under prior law, certain tax payments (e.g., amounts withheld from a paycheck for federal taxes) made before the federal tax return is filed may be outside the lookback period and non-refundable. Under the act, a federal tax return deadline postponed due to a federally declared disaster or certain other events must be treated as an extension of such deadline for purposes of the lookback period. Further, under current law, the IRS is required to mail a notice and demand for tax payment within 60 days of an assessment but not before the tax payment due date. The act provides that the tax payment due date includes the postponement of the tax payment deadline due to a federally declared disaster or certain other events. Latest action (2025-12-26): Became Public Law No: 119-64.
Why this matters
This statute closes a technical gap where taxpayers in federally declared disaster areas received deadline postponements but could still lose refund eligibility because the three-year lookback period was measured from the original (unpostponed) deadline. By treating disaster postponements as extensions, more disaster-affected taxpayers preserve access to refunds, and IRS notice/demand timing is synchronized with the postponed deadlines. It is an incremental, taxpayer-favorable alignment of existing disaster relief mechanics rather than a new relief regime.