Section, Pub. L. 96–87, title IV, § 402, Oct. 12, 1979, 93 Stat. 666; Pub. L. 96–487, title II, § 202(3)(a), Dec. 2, 1980, 94 Stat. 2382, prohibited entrance or admission fees in excess of amounts in effect Jan. 1, 1979, at any unit of National Park System and user fees for transportation services and facilities in Denali National Park, Alaska.