Section 300m of this title, referred to in subsec. (a), was in the original a reference to section 1521 of act July 1, 1944, which was repealed effective Jan. 1, 1987, by Pub. L. 99–660, title VII, § 701(a), Nov. 14, 1986, 100 Stat. 3799. Pub. L. 101–354, § 2, Aug. 10, 1990, 104 Stat. 410, enacted section 1503 of act July 1, 1944, which is classified to section 300m of this title.