---
kind: "section"
citation: "50 C.F.R. § 217.131"
title: "50"
number: "217.131"
heading: "Effective dates."
url: "https://uscodex.org/cfr/50/217.131"
---

# §217.131. Effective dates.


Regulations in this subpart are effective for a period of 5 years from the date of issuance.


## Notes

### Source

Source: 88 FR 19539, Mar. 31, 2023, unless otherwise noted.

### Authority

Authority: 16 U.S.C. 1361 et seq., unless otherwise noted.

### Source

Source: 74 FR 35143, July 20, 2009, unless otherwise noted.