1978—Par. (a). Pub. L. 95–445, § 5(d), inserted “and” after the semicolon at end.

Par. (b). Pub. L. 95–445, § 5(c), (e), struck out “for purposes of section 1903 of this title” before “180 days”, and substituted a period for the semicolon at end.

Par. (c). Pub. L. 95–445, § 5(b), repealed par. (c).

Amendment by Pub. L. 95–445 effective one year after Oct. 10, 1978, and nonapplicability during not to exceed additional 18 months in hardship cases, see sec. 7 of Pub. L. 95–445 set out as a note under section 603 of Title 21, Food and Drugs.