Codification
This subchapter was comprised of [act Aug. 29, 1935, ch. 812], as restated by [act June 24, 1937, ch. 382], [50 Stat. 307], known as the Railroad Retirement Act of 1937. The Railroad Retirement Act of 1937 was amended in its entirety and completely revised by [Pub. L. 93–445, title I, § 101], Oct. 16, 1974, [88 Stat. 1305], effective Jan. 1, 1975. The act, as amended and revised by [Pub. L. 93–445], was redesignated the Railroad Retirement Act of 1974 and is classified to subchapter IV of this chapter.