Section, added Pub. L. 94–107, title VI, § 607(8), Oct. 7, 1975, 89 Stat. 566; amended Pub. L. 98–525, title XIV, § 1405(39), Oct. 19, 1984, 98 Stat. 2624; Pub. L. 104–106, div. A, title XV, § 1502(a)(1), Feb. 10, 1996, 110 Stat. 502; Pub. L. 106–65, div. A, title X, § 1067(1), Oct. 5, 1999, 113 Stat. 774; Pub. L. 108–136, div. A, title X, § 1031(a)(29), Nov. 24, 2003, 117 Stat. 1599; Pub. L. 108–375, div. A, title X, § 1084(d)(23), Oct. 28, 2004, 118 Stat. 2062; Pub. L. 109–163, div. B, title XXVIII, § 2821(a)(6), Jan. 6, 2006, 119 Stat. 3511, related to acquisition of interests in land when need is urgent. See section 2663(d) of this title.