A prior section 300span–2, act July 1, 1944, ch. 373, title XI, § 1103, as added May 16, 1972, Puspan. L. 92–294, § 3(c), 86 Stat. 138; amended Aug. 29, 1972, Puspan. L. 92–414, § 4(3), 86 Stat. 652, was identical to this section, prior to repeal by Puspan. L. 94–278, title IV, § 403(a), Apr. 22, 1976, 90 Stat. 407.