1981—Subsec. (c). Pub. L. 97–35 substituted provisions relating to authorization of appropriations for fiscal years ending 
1980—Subsec. (c). Pub. L. 96–448 substituted provision authorizing appropriations of not to exceed $30,000,000 for fiscal year ending 
1979—Subsec. (c). Pub. L. 96–73 substituted appropriations authorization of $28,500,000 for fiscal year ending 
1978—Subsec. (c). Pub. L. 95–611 substituted provision authorizing appropriations of $27,200,000 for fiscal year ending 
1977—Subsec. (c). Pub. L. 95–199 substituted provisions authorizing appropriations for fiscal year ending 
1976—Subsec. (a). Pub. L. 94–210, § 607(n), inserted provision authorizing appropriation of sums to discharge the obligation of the United States under section 743(c)(5) of this title.
Subsec. (b). Pub. L. 94–210, § 607(m)(1), substituted “$7,000,000” for “$5,000,000”.
Subsec. (c). Pub. L. 94–436 substituted provisions authorizing appropriations of such sums as are necessary not to exceed $20,000,000 for the period beginning 
Pub. L. 94–210, § 607(m)(2), authorized appropriation of not to exceed $14,000,000 for fiscal period which includes fiscal period ending 
1974—Subsec. (c). Pub. L. 93–488 substituted “$40,000,000” for “$26,000,000”.
Amendment by Pub. L. 97–35 effective 
Amendment by Pub. L. 96–448 effective 
Amendment by Pub. L. 96–73 effective 
Interstate Commerce Commission abolished and functions of Commission transferred, except as otherwise provided in Pub. L. 104–88, to Surface Transportation Board effective 
Application of National Environmental Policy Act to actions of Commission not affected by title VI of Pub. L. 94–210, see section 619 of Pub. L. 94–210, set out as a note under section 791 of this title.