A prior section 1921 of act July 1, 1944, was classified to section 300x–9 of this title prior to repeal by Pub. L. 102–321.

Another prior section 1921 of act July 1, 1944, was classified to section 300y of this title prior to repeal by Pub. L. 100–690.

2022—Subsec. (b). Pub. L. 117–328 substituted “activities to prevent, treat, and provide recovery support services for substance use disorders” for “activities to prevent and treat substance use disorders”.

2016—Subsec. (b). Pub. L. 114–255 inserted “carrying out the plan developed in accordance with section 300x–32(b) of this title and for” after “for the purpose of” and substituted “use disorders” for “abuse”.