---
kind: "section"
citation: "21 C.F.R. § 171.102"
title: "21"
number: "171.102"
heading: "Effective date of regulation."
url: "https://uscodex.org/cfr/21/171.102"
---

# §171.102. Effective date of regulation.


A regulation published in accordance with [§ 171.100(a)](/cfr/21/171.100.md?p=a) shall become effective upon publication in the Federal Register.


## Notes

### Authority

Authority: 21 U.S.C. 321, 342, 348, 371.

### Source

Source: 42 FR 14489, Mar. 15, 1977, unless otherwise noted.