§ 407b. Applicability of Federal Power Act
The provisions of the Federal Power Act [16 U.S.C. 791a et seq.] shall not apply to or extend over the land by section 407 of this title or hereafter reserved and dedicated as the Carlsbad Caverns National Park.
(May 14, 1930, ch. 272, § 3, 46 Stat. 279.)