---
kind: "section"
citation: "50 C.F.R. § 451.01"
title: "50"
number: "451.01"
heading: "Definitions."
url: "https://uscodex.org/cfr/50/451.01"
---

# §451.01. Definitions.


All definitions contained in [50 CFR 450.01](/cfr/50/450.01.md) are applicable to this part.


## Notes

### Authority

Authority: Endangered Species Act of 1973, 16 U.S.C. 1531 et seq. , as amended.

### Source

Source: 50 FR 8127, Feb. 28, 1985, unless otherwise noted.