16 U.S.C. § 18i
Section, Pub. L. 91-357, §3, July 29, 1970, 84 Stat. 472; Pub. L. 101-286, title II, §204(b), May 9, 1990, 104 Stat. 175, related to Federal employee status for volunteers. See section 102301(c) of Title 54, National Park Service and Related Programs.