Section, Pub. L. 89–665, title I, § 111, as added Pub. L. 96–515, title II, § 207, Dec. 12, 1980, 94 Stat. 2997; amended Pub. L. 102–575, title XL, § 4013, Oct. 30, 1992, 106 Stat. 4761, related to lease or exchange of historic property. See sections 306121 and 306122 of Title 54, National Park Service and Related Programs.