§ 3999.
The Secretary of the Interior may issue regulations necessary to carry out this subchapter (other than sections 3991, 4000, and 4001 of this title).
([Oct. 17, 1940, ch. 888], title V, § 509, as added [Pub. L. 108–189, § 1], Dec. 19, 2003, [117 Stat. 2858].)