availability

availability Sec. 117. (a) Subsection (b) of section 118 of title 23, United States Code, is amended to read as follows: “(b) Sums apportioned to each Federal-aid system (other than the Interstate System) shall continue available for expenditure in that90 STAT. 437 State for the appropriate Federal-aid system or part thereof (other than the Interstate System) for a period of three years after tire close of the fiscal year for which such sums are authorized and any amounts so apportioned remaining unexpended at the end of such period shall lapse. Sums apportioned to the Interstate System shall continue available for expenditure in that State for the Interstate System for a period of two years after the close of the fiscal year for which such sums are authorized. Any amount apportioned to the States for the Interstate System under subsection (b)(5)(A) of section 104 of this title remaining unexpended at the end of the period during which it is available under this section shall lapse and shall immediately be reapportioned among the other States in accordance with the provisions of subsection (b)(5)(A) of section 104 of this title. Any amount apportioned to the States for the Interstate System under subsection (b)(5)(B) of section 104 of tills title remaining unexpended at the end of the period of its availability shall lapse. Sums apportioned to a Federal-aid system for any fiscal year shall be deemed to be expended if a sum equal to the total of the sums apportioned to the State for such fiscal year and previous fiscal years is obligated. Any Federal-aid highway funds released by the payment of the final voucher or by the modification of the formal project agreement shall be credited to the same class of funds, primary, secondary, urban, or interstate, previously apportioned to the State and be immediately available for expenditure.”. (b) (1) The first sentence of section 203 of title 23, United States Code, is amended by striking out “or a date not earlier than one year preceding the beginning” and inserting in lieu thereof “or on October 1,”. (2) The second sentence of such section 203 is amended by striking out “two years” and inserting in lieu thereof “three years”. (c) The funds authorized by section 104 of this Act and all funds authorized by titles T and IT of this Act for the transition quarter ending September 30, 1976, shall, for the purposes of the application of sections 118 and 203 of title 23, United States Code, remain available for expenditure for the same period as funds authorized by this Act for the fiscal year ending September 30, 1977.