A prior section 251, acts Aug. 11, 1916, ch. 313, pt. C, § 10, 39 Stat. 487; Mar. 2, 1931, ch. 366, § 5, 46 Stat. 1464; Pub. L. 97–35, title I, § 158(a)(1),
A prior section 12 of act Aug. 11, 1916, ch. 313, pt. C, was classified to section 253 of this title, prior to the general amendment of this chapter by Pub. L. 106–472.