for such purposes. ASSET PROCEEDS AND SPACE MANAGEMENT FUND For carrying out section 16(b) of the Federal Assets Sale and Transfer Act of 2016 ( 40 U.S.C. 1303 note), $4,000,000, to remain available until expended. WORKING CAPITAL FUND (INCLUDING TRANSFER OF FUNDS) For the Working Capital Fund of the General Services Administration, $4,000,000, to remain available until expended, for necessary costs incurred by the Administrator to modernize rulemaking systems and to provide support services for Federal rulemaking agencies. ADMINISTRATIVE PROVISIONS—GENERAL SERVICES ADMINISTRATION (INCLUDING TRANSFER OF FUNDS) 540. Funds available to the General Services Administration shall be available for the hire of passenger motor vehicles. 541. Funds in the Federal Buildings Fund made available for fiscal year 2024 for Federal Buildings Fund activities may be transferred between such activities only to the extent necessary to meet program requirements: Provided, That any proposed transfers shall be approved in advance by the Committees on Appropriations of the House of Representatives and the Senate. 542. Except as otherwise provided in this title, funds made available by this Act shall be used to transmit a fiscal year 2025 request for United States Courthouse construction only if the request: (1) meets the design guide standards for construction as established and approved by the General Services Administration, the Judicial Conference of the United States, and the Office of Management and Budget