§ 137.307 What Federal environmental responsibilities remain with the Secretary when a Self-Governance Tribe assumes Federal environmental responsibilities for construction projects under section 509 of the Act [25 U.S.C. 458aaa–8]?

(a) All environmental responsibilities for Federal actions not directly related to construction projects assumed by Tribes under section 509 of the Act [25 U.S.C. 458aaa–8] remain with the Secretary. Federal agencies, including the IHS, retain responsibility for ensuring their environmental review procedures meet the requirements of NEPA, NHPA and related provisions of law, as called for in § 137.297.