On and after March 3, 1921, no permit, license, lease, or authorization for dams, conduits, reservoirs, power houses, transmission lines, or other works for storage or carriage of water, or for the development, transmission, or utilization of power within the limits as constituted, March 3, 1921, of any national park or national monument shall be granted or made without specific authority of Congress.
16 U.S. Code § 797a. Congressional authorization for permits, licenses, leases, or authorizations for dams, conduits, reservoirs, etc., within national parks or monuments
Section was not enacted as part of the Federal Power Act which generally comprises this chapter.
Section 212 of act Aug. 26, 1935, ch. 687, title II, 49 Stat. 847, provided that nothing in this chapter, as amended should be construed to repeal or amend the provisions of the act approved Mar. 3, 1921 (41 Stat. 1353) [16 U.S.C. 797a] or the provisions of any other Act relating to national parks and national monuments.