Section, acts June 2, 1936, ch. 477, § 5, 49 Stat. 1395; Oct. 26, 1972, Pub. L. 92–568, § 1, 86 Stat. 1181, provided that employees of the Perry’s Victory Memorial Commission on June 2, 1936, could, in the discretion of the Secretary of the Interior, be employed by the National Park Service in the administration, protection, and development of the memorial.