Regulations last checked for updates: Feb 10, 2026

Title 25 - Indians last revised: Dec 01, 2025
§ 163.34 - Environmental compliance.

Actions taken by the Secretary under the regulations in this part must comply with the National Environmental Policy Act of 1969, applicable Council on Environmental Quality Regulations, and tribal laws and regulations.

authority: 25 U.S.C. 2,5,9,13,406,407,413,415,466; and 3101-3120
source: 60 FR 52260, Oct. 5, 1995, unless otherwise noted.
cite as: 25 CFR 163.34