---
kind: "section"
citation: "25 U.S.C. § 3507"
title: "25"
title_heading: "Indians"
number: "3507"
heading: "Appraisals"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/25/3507"
units:
  - "Chapter 37 — Indian Energy"
---

# §3507. Appraisals

- (a) **In general—** For any transaction that requires approval of the [Secretary](/usc/25/3501.md?p=10) and involves mineral or energy resources held in trust by the United States for the benefit of an [Indian tribe](/usc/25/3501.md?p=4-A) or by an [Indian tribe](/usc/25/3501.md?p=4-A) subject to Federal restrictions against alienation, any appraisal relating to fair market value of those resources required to be prepared under applicable law may be prepared by—
  - (1) the [Secretary](/usc/25/3501.md?p=10);
  - (2) the affected [Indian tribe](/usc/25/3501.md?p=4-A); or
  - (3) a certified, third-party appraiser pursuant to a contract with the [Indian tribe](/usc/25/3501.md?p=4-A).
- (b) **Secretarial review and approval—** Not later than 45 days after the date on which the [Secretary](/usc/25/3501.md?p=10) receives an appraisal prepared by or for an [Indian tribe](/usc/25/3501.md?p=4-A) under paragraph [(2)](#a-2) or [(3)](#a-3) of subsection (a), the [Secretary](/usc/25/3501.md?p=10) shall—
  - (1) review the appraisal; and
  - (2) approve the appraisal unless the [Secretary](/usc/25/3501.md?p=10) determines that the appraisal fails to meet the standards set forth in regulations promulgated under [subsection (d)](#d).
- (c) **Notice of disapproval—** If the [Secretary](/usc/25/3501.md?p=10) determines that an appraisal submitted for approval under [subsection (b)](#b) should be disapproved, the [Secretary](/usc/25/3501.md?p=10) shall give written notice of the disapproval to the [Indian tribe](/usc/25/3501.md?p=4-A) and a description of—
  - (1) each reason for the disapproval; and
  - (2) how the appraisal should be corrected or otherwise cured to meet the applicable standards set forth in the regulations promulgated under [subsection (d)](#d).
- (d) **Regulations—** The [Secretary](/usc/25/3501.md?p=10) shall promulgate regulations to carry out this section, including standards the [Secretary](/usc/25/3501.md?p=10) shall use for approving or disapproving the appraisal described in [subsection (a)](#a).

## Source credit

(Pub. L. 102–486, title XXVI, § 2607, as added Pub. L. 115–325, title II, § 204(a), Dec. 18, 2018, 132 Stat. 4463.)