Upon a determination by the Secretary of the Interior that sufficient land has been acquired by the United States for the memorial, such property shall be established as the “De Soto National Memorial”, and shall be administered by the Secretary of the Interior, through the National Park Service, for the benefit of the people of the United States. An order of the Secretary of the Interior, constituting notice of such establishment, shall be published in the Federal Register. Insofar as applicable and not in conflict with this section and section 450dd of this title, the Act of August 25, 1916 (39 Stat. 535), providing for the establishment of a National Park Service, as amended and supplemented, shall govern the promotion and development of the national memorial.
16 U.S. Code § 450dd–1. Administration
The Act of August 25, 1916 (39 Stat. 535), providing for the establishment of a National Park Service, referred to in text, 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 Sections 1 to 4 of the Act were repealed and restated as section 1865(a) of Title 18, Crimes and Criminal Procedure, and section 100101(a), chapter 1003, and sections 100751(a), 100752, 100753, and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.
For transfer of functions of other officers, employees, and agencies of Department of the Interior, with certain exceptions, to Secretary of the Interior, with power to delegate, see Reorg. Plan No. 3 of 1950, §§ 1, 2, eff. May 24, 1950, 15 F.R. 3174, 64 Stat. 1262, set out in the Appendix to Title 5, Government Organization and Employees.
 See References in Text note below.