A prior section 2321, Pub. L. 88–210, title I, § 111, as added Pub. L. 105–332, § 1(b), Oct. 31, 1998, 112 Stat. 3083; amended Pub. L. 106–246, div. B, title II, § 2403(b), July 13, 2000, 114 Stat. 555, related to reservations and State allotment, prior to the general amendment of this chapter by Pub. L. 109–270.

Another prior section 2321, Pub. L. 88–210, title I, § 111, as added Pub. L. 98–524, § 1, Oct. 19, 1984, 98 Stat. 2441; amended Pub. L. 101–392, title I, § 111, Sept. 25, 1990, 104 Stat. 763; Pub. L. 103–382, title III, § 391(s)(1), Oct. 20, 1994, 108 Stat. 4024, related to State administration, prior to the general amendment of this chapter by Pub. L. 105–332.

2018—Pub. L. 115–224 amended section generally. Prior to amendment, section related to reservations and State allotment, reallotment, and allotment ratios.

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.