45 U.S.C. § 404

Notwithstanding the provisions of section 358(a)2 11 See References in Text note below. of this title, the rate of contribution required to be paid under the Railroad Unemployment Insurance Act [45 U.S.C. 351 et seq.] by every employer as defined in such Act shall be 4 per centum with respect to compensation as defined in such Act, paid after December 31, 1961, and before January 1, 1964.