45 U.S.C. § 565, 566
Section 565, Pub. L. 91-518, title IV, §405, Oct. 30, 1970, 84 Stat. 1337; Pub. L. 92-316, §§7, 8, June 22, 1972, 86 Stat. 230; Pub. L. 96-73, title I, §120(a), Sept. 29, 1979, 93 Stat. 547; Pub. L. 97-35, title XI, §§1177(b), 1184, 1188(d), Aug. 13, 1981, 95 Stat. 692, 697, 699; Pub. L. 99-272, title IV, §4016, Apr. 7, 1986, 100 Stat. 110, related to protective arrangements for railroad employees. See sections 24307, 24312, and 24706 of Title 49, Transportation.
Section 566, Pub. L. 91-518, title IV, §406, as added Pub. L. 96-73, title I, §121, Sept. 29, 1979, 93 Stat. 548, related to retention and maintenance of facilities. See section 24309 of Title 49.