Section
621,
Pub. L. 91–518, title VII, § 701, Oct. 30, 1970,
84 Stat. 1339;
Pub. L. 94–25, § 12, May 26, 1975,
89 Stat. 93, provided for interim authority to provide emergency financial assistance for railroads operating passenger service.
Section
622,
Pub. L. 91–518, title VII, § 702, Oct. 30, 1970,
84 Stat. 1339, authorized appropriations for this subchapter.