Regulations last checked for updates: Feb 13, 2026

Title 26 - Internal Revenue last revised: Feb 11, 2026
§ 301.6101-1 - Period covered by returns or other documents.

For provisions concerning the period covered by returns or other documents, see the regulations relating to the particular tax.

authority: 26 U.S.C. 7805.
source: 32 FR 15241, Nov. 3, 1967, unless otherwise noted.
cite as: 26 CFR 301.6101-1