A prior section 540, acts Oct. 17, 1940, ch. 888, art. IV, § 400, 54 Stat. 1183; Oct. 6, 1942, ch. 581, § 13, 56 Stat. 773; July 11, 1956, ch. 570, § 1, 70 Stat. 528; Pub. L. 102–12, § 9(11), Mar. 18, 1991, 105 Stat. 40, related to definitions, prior to the general amendment of this Act by Pub. L. 108–189. See section 541 of this Appendix.