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.