---
kind: "section"
citation: "1 C.F.R. § 21.23"
title: "1"
number: "21.23"
heading: "Parallel citations of Code and Federal Register."
url: "https://uscodex.org/cfr/1/21.23"
---

# §21.23. Parallel citations of Code and Federal Register.


For parallel reference, the Code of Federal Regulations and the Federal Register may be cited in the following forms, as appropriate:


## Notes

### Authority

Authority: 44 U.S.C. 1506; sec. 6, E.O. 10530, 19 FR 2709; 3 CFR, 1954-1958 Comp., p. 189.

### Source

Source: 37 FR 23611, Nov. 4, 1972, unless otherwise noted.