105 STAT. 862 PUBLIC LAW 102-141—OCT. 28, 1991 authorized by law (5 U.S.C. 5703) for persons employed intermittently in the Government service, and compensation as authorized by5 U.S.C.3109. UNITED STATES TAX COURT SALARIES AND EXPENSES For necessary expenses, including contract reporting and other 26 USC 7443 services as authorized by 5 U.S.C. 3109; $32,050,000: Provided, That ^°^- travel expenses of the judges shall be paid upon the written certificate of the judge. This title may be cited as the "Independent Agencies Appropriations Act, 1992". TITLE V—GENERAL PROVISIONS THIS ACT SECTION 501. No part of any appropriation made available in this Act shall be used for the purchase or sale of real estate or for the purpose of establishing new offices inside or outside the District of Columbia: Provided, That this limitation shall not apply to programs which have been approved by the Congress and appropriations made therefor. SEC. 502. No part of any appropriation contained in this Act shall remain available for obligation beyond the current fiscal year unless expressly so provided herein. Contracts. SEC. 503. The expenditure of any appropriation under this Act for any consulting service through procurement contract, pursuant to 5 U.S.C. 3109, shall be limited to those contracts where such expenditures are a matter of public record and available for public inspection, except where otherwise provided under existing law, or under existing Executive order issued pursuant to existing law. SEC. 504. No part of any appropriation contained in this Act shall be available for the procurement of, or for the payment of, the salary of any person engaged in the procurement of any hand or measuring tool(s) not produced in the United States or its possessions except to the extent that the Administrator of General Services or his designee shall determine that a satisfactory quality and sufficient quantity of hand or measuring tools produced in the United States or its possessions cannot be procured as and when needed from sources in the United States and its possessions, or except in accordance with procedures prescribed by section 6- 104.4(b) of Armed Services Procurement Regulation dated January 1, 1969, as such regulation existed on June 15, 1970: Provided, That a factor of 75 per centum in lieu of 50 per centum shall be used for evaluating foreign source end products against a domestic source end product. This section shall be applicable to all solicitations for bids opened after its enactment. 40 USC 490c. SEC. 505. None of the funds made available to the General Services Administration pursuant to section 210(f) of the Federal Property and Administrative Services Act of 1949 shall be obligated or expended after the date of enactment of this Act for the procurement by contract of any service which, before such date, was performed by individuals in their capacity as employees of the General Services Administration in any position of guards, elevator operators, messengers, and custodians, except that such funds may be
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