Subpart 2 of part B of subchapter XVII, referred to in subsec. (c)(1), which related to State comprehensive mental health services plans and which was classified to section 300x–10 et seq. of this title, was repealed by Pub. L. 102–321, title II, § 201(2), July 10, 1992, 106 Stat. 378, and a new subpart 2 of part B of subchapter XVII of this chapter, relating to block grants for prevention and treatment of substance abuse, was added by section 202 of Pub. L. 102–321 and classified to section 300x–21 et seq. of this title.

A prior section 527 of act July 1, 1944, was renumbered section 548 by section 611(2) of Pub. L. 100–77 and is classified to section 290ee–3 of this title.

2016—Subsecs. (a)(2), (b). Pub. L. 114–255 substituted “substance use disorder” for “substance abuse”.

1990—Pub. L. 101–645 amended section generally, substituting provisions relating to description of intended expenditures of grant for provisions relating to requirement of reports by States.