A prior section 2393, Pub. L. 88–210, title III, § 313, as added Pub. L. 105–332, § 1(b), Oct. 31, 1998, 112 Stat. 3122, related to construction of this chapter, prior to the general amendment of this chapter by Pub. L. 109–270.

Another prior section 2393, Pub. L. 88–210, title III, § 333, formerly § 343, as added Pub. L. 98–524, § 1, Oct. 19, 1984, 98 Stat. 2465; amended Pub. L. 100–418, title VI, § 6134(a), Aug. 23, 1988, 102 Stat. 1512; renumbered § 333, Pub. L. 101–392, title III, § 307(a)(2), Sept. 25, 1990, 104 Stat. 787, related to use of grant funds, prior to the general amendment of this chapter by Pub. L. 105–332.

Amendment by Pub. L. 115–224 effective July 1, 2019, see section 4 of Pub. L. 115–224, set out as a note under section 2301 of this title.