Section,
Pub. L. 91–518, title VI, §602, Oct. 30, 1970, 84 Stat. 1338
;
Pub. L. 92–316, §10(a), June 22, 1972, 86 Stat. 231
;
Pub. L. 93–146, §13, Nov. 3, 1973, 87 Stat. 553
;
Pub. L. 93–496, §9, Oct. 28, 1974, 88 Stat. 1531
;
Pub. L. 94–25, §11, May 26, 1975, 89 Stat. 92
;
Pub. L. 94–555, title I, §102(c), Oct. 19, 1976, 90 Stat. 2614
;
Pub. L. 95–421, §2(b)(2), Oct. 5, 1978, 92 Stat. 923
;
Pub. L. 96–73, title I, §122(b)(2), Sept. 29, 1979, 93 Stat. 551
;
Pub. L. 97–35, title XI, §1186, Aug. 13, 1981, 95 Stat. 698
;
Pub. L. 99–514, §2, Oct. 22, 1986, 100 Stat. 2095
;
Pub. L. 100–342, §18(e), June 22, 1988, 102 Stat. 637
, related to authority of Secretary of Transportation to guarantee any lender or lessor against loss of principal or interest on loans issued to improve rail passenger service.