Quick search by citation:

16 U.S. Code § 19l - Repealed. Pub. L. 113–287, § 7, Dec. 19, 2014, 128 Stat. 3272

Section, Pub. L. 90–209, § 8, Dec. 18, 1967, 81 Stat. 657, related to tax exemptions, contributions, gifts, and transfers. See section 101118 of Title 54, National Park Service and Related Programs.