Title 26 › Subtitle Subtitle F— - Procedure and Administration › Chapter CHAPTER 77— - MISCELLANEOUS PROVISIONS › § 7503
If a tax deadline falls on a Saturday, Sunday, or legal holiday, doing the required act on the next business day counts as on time. The "last day" includes any approved extension. "Legal holiday" means a District of Columbia holiday. For filings at a U.S. office outside D.C. but inside the same internal revenue district, it also includes that State’s statewide holidays.
Full Legal Text
Internal Revenue Code — Source: USLM XML via OLRC
Legislative History
Reference
Citation
26 U.S.C. § 7503
Title 26 — Internal Revenue Code
Last Updated
Apr 6, 2026
Release point: 119-73