106 STAT. 1522 PUBLIC LAW 102-388 —OCT. 6, 1992 WORKING CAPITAL FUND Necessary expenses for operating costs and capital outlays of the Department of Transportation Working Capital Fund not to exceed $93,000,000 shall be paid, in accordance with law, from appropriations made available by this Act and prior appropriations Acts to the Department of Transportation, together with advances and reimbursements received by the Department of Transportation. PAYMENTS TO AIR CARRIERS (LIQUIDATION OF CONTRACT AUTHORIZATION) (AIRPORT AND AIRWAY TRUST FUND) For liquidation of obligations incurred for payments to air carriers of so much of the compensation fixed and determined under section 419 of the Federal Aviation Act of 1958, as amended (49 U.S.C. 1389), as is payable by the Department of Transportation, $38,600,000, to remain available until expended and to be derived from the Airport and Airway Trust Fund: Provided, That none of the funds in this Act shall be available for the implementation or execution of programs in excess of $38,600,000 for the Payments to Air Carriers program in fiscal year 1993: Provided further, That none of the funds in this Act shall be available for service to communities not receiving such service during fiscal year 1991, unless such communities are otherwise eligible for new service, and provide the required local match: Provided further, That none of the funds in this Act shall be available to increase the service levels to communities receiving service unless the Secretary of Transportation certifies in writing that such increased service levels are estimated to result in self-sufiiciency within three years of initiation of the increased level of service. RENTAL PAYMENTS For necessary expenses for rental of headquarters and field space and related services assessed by the General Services Administration, $130,000,000: Provided, That of this amount, $19,000,000 shall be derived from the Highway Trust Fund, $29,887,000 shall be derived from the Airport and Airway Trust Fund, $481,000 shall be derived from the Pipeline Safety Fund, and $160,000 shall be derived from the Harbor Maintenance Trust Fund. MINORITY BUSINESS RESOURCE CENTER PROGRAM For the cost of direct loans, $300,000, as authorized by 49 U.S.C. 332: Provided, That such costs, including the cost of modify- ing such loans, shall be as defined in section 502 of the Congressional Budget Act of 1974: Provided further. That these funds are available to subsidize gross obligations for the principal amount of direct loans not to exceed $7,500,000. In addition, for administrative expenses to carry out the direct loan program, $400,000.