The Act of October 9, 1965, referred to in text, is Pub. L. 89–249, Oct. 9, 1965, 79 Stat. 969, known as the National Park System Concessions Policy Act, which enacted subchapter IV (§ 20 et seq.) of this chapter and amended section 462 of this title, prior to being repealed by Pub. L. 105–391, title IV, § 415(a), Nov. 13, 1998, 112 Stat. 3515.

Sums “heretofore” authorized by this section, referred to in text, means sums authorized by this section prior to the enactment on Mar. 5, 1980, of Pub. L. 96–199, which added the authorization for a $5,000,000 appropriation for the acquisition of lands or interest in lands.

Section 4(b) of Pub. L. 94–544 and section 7(b) of Pub. L. 94–567 identically renumbered this section as section 8 of Pub. L. 87–657.

1980—Pub. L. 96–199 inserted provisions authorizing an appropriation of $5,000,000 for the acquisition of lands or interests therein.

1970—Pub. L. 91–223, § 1, substituted “$57,500,000” for “$19,135,000”, restricted conveyances of any interest in any lands acquired after April 3, 1970, only for public accommodations, facilities, and services under provisions for concessions in areas administered by National Park Service.

1966—Pub. L. 89–666 substituted “$19,135,000” for “$14,000,000”.