Regulatory Documents

Current Regulatory Documents

25 CFR Part 83—Procedures For Federal Acknowledgment of Indian Tribes (current, eCFR)

25 CFR Part 83—Procedures For Federal Acknowledgment of Indian Tribes (Final Rule, 80 Federal Register 37862, (2015))

25 CFR Part 83—Procedures For Federal Acknowledgment of Indian Tribes, Subpart D—Re-Petition Authorization Process (Final Rule, 90 Federal Register 3627 (2025))

Guidance and Direction Regarding Internal Procedures (73 Federal Register 30146 (2008)): Addresses handling of splinter groups

Requests for Administrative Acknowledgment of Federal Indian Tribes (Policy Guidance, 80 Federal Register 37538 (2015))

Policy Guidance for Determining Eligibility for Organization Under the Alaska Indian Reorganization Act (88 Federal Register 9188 (2023))

Previous Regulatory Documents

25 CFR Part 54—Procedures for Establishing that an American Indian Group Exists as an Indian Tribe (Final Rule, 43 Federal Register 39361 (1978))

25 CFR Part 83—Procedures for Establishing that an American Indian Group Exists as an Indian Tribe (Final Rule, 59 Federal Register 9280 (1994))

Changes in the Internal Processing of Federal Acknowledgment Petitions (Notice, 65 Federal Register 7052 (2000))

Office of Federal Acknowledgment; Reports and Guidance Documents; Availability, etc. (Notice, 70 Federal Register 16513 (2005))