U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
(a) A Tribe/Consortium complies with NEPA and NHPA by:
(1) Developing and adopting their own environmental review procedures that meet or exceed applicable Federal requirements;
(2) Adopting the procedures of the Secretary; or
(3) Adopting the procedures of another Federal agency.
(b) The Tribe/Consortium shall reference such procedures in the funding agreement or construction project agreement and use such procedures in undertaking the project.