21 CFR 20.25 - Retroactive application of regulations.

Regulations last checked for updates: May 03, 2025

Title 21 - Food and Drugs last revised: Apr 28, 2025

§ 20.25 - Retroactive application of regulations.

The provisions of this part apply to all records in Food and Drug Administration files.

authority: 5 U.S.C. 552; 18 U.S.C. 1905; 19 U.S.C. 2531-2582; 21 U.S.C. 321-393,1401; 42 U.S.C. 241,242,242a,242l,242n,243,262,263,263b-263n,264,265,300u,300aa

source: 42 FR 15616, Mar. 22, 1977, unless otherwise noted.

cite as: 21 CFR 20.25