---
kind: "section"
citation: "50 C.F.R. § 218.231"
title: "50"
number: "218.231"
heading: "Effective dates."
url: "https://uscodex.org/cfr/50/218.231"
---

# §218.231. Effective dates.


Regulations in this subpart are effective from August 12, 2026, through August 11, 2033.


## Notes

### Source

Source: 91 FR 47702, July 28, 2026, unless otherwise noted.

### Authority

Authority: 16 U.S.C. 1361 et seq.

### Source

Source: 74 FR 28343, June 15, 2009, unless otherwise noted.