Section 2672, added Pub. L. 85–861, § 1(51), Sept. 2, 1958, 72 Stat. 1459; amended Pub. L. 87–651, title I, § 112(a), Sept. 7, 1962, 76 Stat. 511; Pub. L. 92–145, title VII, § 707(2), (3), Oct. 27, 1971, 85 Stat. 411; Pub. L. 96–418, title VIII, § 806(a), Oct. 10, 1980, 94 Stat. 1777; Pub. L. 99–167, title VIII, § 810(a), (b)(1), Dec. 3, 1985, 99 Stat. 989, 990; Pub. L. 99–661, div. A, title XIII, § 1343(a)(16), Nov. 14, 1986, 100 Stat. 3993; Pub. L. 100–456, div. B, title XXVIII, § 2804, Sept. 29, 1988, 102 Stat. 2115; Pub. L. 105–85, div. B, title XXVIII, § 2811(a), (b)(1), Nov. 18, 1997, 111 Stat. 1991; Pub. L. 108–136, div. B, title XXVIII, § 2811(a)–(b)(2), Nov. 24, 2003, 117 Stat. 1724, 1725; Pub. L. 108–375, div. B, title XXVIII, § 2821(d)(1), Oct. 28, 2004, 118 Stat. 2130; Pub. L. 109–163, div. B, title XXVIII, § 2821(a)(2), Jan. 6, 2006, 119 Stat. 3511, related to authority to acquire low-cost interests in land. See section 2663(c) of this title.

Section 2672a, 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.