---
kind: "section"
citation: "25 C.F.R. § 224.135"
title: "25"
number: "224.135"
heading: "Under what circumstances may the Secretary conduct additional reviews and evaluations?"
url: "https://uscodex.org/cfr/25/224.135"
---

# §224.135. Under what circumstances may the Secretary conduct additional reviews and evaluations?


The Secretary may conduct additional reviews and evaluations:

- (a) At a Tribe's request;
- (b) As part of an investigation undertaken when the Tribe notifies the Secretary of a violation or breach;
- (c) As part of an investigation undertaken because of a petition submitted under subpart E of this part;
- (d) As follow-up to a determination that harm or the potential for harm to a physical trust asset, previously identified in a periodic review and evaluation, exists; or
- (e) **As the Secretary determines appropriate to carry out the Secretary's trust responsibilities.**

## Notes

### Authority

Authority: 25 U.S.C. 2 and 9; 25 U.S.C. 3501-3504; Pub. L. 109-58; Pub. L. 115-325.

### Source

Source: 73 FR 12821, Mar. 10, 2008, unless otherwise noted.