# 25 C.F.R. § 225.28 (2025): Approval of amendments to minerals agreements

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_28

## Section

- **Citation:** 25 C.F.R. § 225.28 (2025)
- **Heading:** Approval of amendments to minerals agreements
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 25 CFR: Indians / Chapter I: BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR / Part 225: OIL AND GAS, GEOTHERMAL, AND SOLID MINERALS AGREEMENTS / Subpart B: Minerals Agreements / § 225.28: § 225.28   Approval of amendments to minerals agreements.

## Text

An amendment, modification or supplement to a minerals agreement entered into pursuant to the regulations in this part, whether the minerals agreement was approved before or after the effective date of these regulations, must be approved in writing by all parties before being submitted to the Secretary for approval. The provisions of § 225.22 apply to approvals of amendments, modifications, or supplements to minerals agreements entered into under the regulations in this part. However, amendments, modifications, or supplements that do not substantially alter or affect the factors listed in § 225.22(c), may be approved by referencing materials previously submitted for the initial review and approval of the minerals agreement. The Secretary may approve an amendment, modification, or supplement if it is determined that the underlying minerals agreement, as amended, modified, or supplemented meets the criteria for approval set forth in § 225.22(c).

## Nearby sections

- [25 C.F.R. § 225.20 (2025) § 225.20   Authority to contract.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_20.md)
- [25 C.F.R. § 225.21 (2025) § 225.21   Negotiation procedures.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_21.md)
- [25 C.F.R. § 225.22 (2025) § 225.22   Approval of minerals agreements.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_22.md)
- [25 C.F.R. § 225.23 (2025) § 225.23   Economic assessments.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_23.md)
- [25 C.F.R. § 225.24 (2025) § 225.24   Environmental studies.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_24.md)
- [25 C.F.R. § 225.25 (2025) § 225.25   Resolution of disputes.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_25.md)
- [25 C.F.R. § 225.26 (2025) § 225.26   Auditing and accounting.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_26.md)
- [25 C.F.R. § 225.27 (2025) § 225.27   Forms and reports.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_27.md)
- [25 C.F.R. § 225.28 (2025) § 225.28   Approval of amendments to minerals agreements.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_28.md)
- [25 C.F.R. § 225.29 (2025) § 225.29   Corporate qualifications and requests for information.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_29.md)
- [25 C.F.R. § 225.30 (2025) § 225.30   Bonds.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_30.md)
- [25 C.F.R. § 225.31 (2025) § 225.31   Manner of payments.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_31.md)
- [25 C.F.R. § 225.32 (2025) § 225.32   Permission to start operations.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_32.md)
- [25 C.F.R. § 225.33 (2025) § 225.33   Assignment of minerals agreements.](https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_33.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T25_P225_S225_28. Check the current official text before relying on it. Not legal advice.