A prior section 231v, act Aug. 29, 1935, ch. 812, § 23, as added Aug. 12, 1983, Pub. L. 98–76, title IV, § 418, 97 Stat. 438, provided that for purposes of Inspector General Act of 1978, the Railroad Retirement Board is an “establishment” and the Chairman of such Board the “head of the establishment”, prior to repeal by Pub. L. 100–504, title I, §§ 102(e)(3), 113, Oct. 18, 1988, 102 Stat. 2517, 2530, effective 180 days after Oct. 18, 1988.