The Act of August 25, 1916 (39 Stat. 535) as amended and supplemented (16 U.S.C. 1–4), referred to in subsec. (a), is act Aug. 25, 1916, ch. 408, 39 Stat. 535, known as the National Park Service Organic Act, which enacted sections 1, 2, 3, and 4 of this title and provisions set out as a note under section 100101 of Title 54, National Park Service and Related Programs. Sections 1 to 4 of the Act were repealed and restated as section 1865(a) of Title 18, Crimes and Criminal Procedure, and section 100101(a), chapter 1003, and sections 100751(a), 100752, 100753, and 102101 of Title 54 by Pub. L. 113–287, §§ 3, 4(a)(1), 7, Dec. 19, 2014, 128 Stat. 3094, 3260, 3272. For complete classification of this Act to the Code, see Tables. For disposition of former sections of this title, see Disposition Table preceding section 100101 of Title 54.

1983—Subsec. (b). Pub. L. 97–405 inserted provision directing the President to advise the Senate and House of Representatives no later than June 1, 1983, of his recommendation with respect to the suitability or nonsuitability as wilderness of any area within the park.