“United States magistrate judge” substituted for “United States magistrate” in subsec. (a) pursuant to section 321 of Pub. L. 101–650, set out as a note under section 631 of Title 28, Judiciary and Judicial Procedure. Previously, “United States magistrate” substituted in subsec. (a) for “United States commissioner” pursuant to Pub. L. 90–578. See chapter 43 (§ 631 et seq.) of Title 28.

For transfer of certain enforcement functions of Secretary or other official in Department of the Interior under this chapter to Federal Inspector, Office of Federal Inspector for the Alaska Natural Gas Transportation System, and subsequent transfer to Secretary of Energy, then to Federal Coordinator for Alaska Natural Gas Transportation Projects, see Transfer of Functions note set out under section 725 of this title.

Transfer of functions of Secretary of Agriculture and Secretary of Commerce to Secretary of the Interior by Reorg. Plan No. II of 1939, see Transfer of Functions note set out under section 723 of this title.