PUBLIC LAW 102-141—OCT. 28, 1991 105 STAT. 865 (C) shall otherwise be treated, in the manner as generally applies with respect to any rate otherwise established under section 5303 of title 5, United States Code. (2) The President (or an agency duly authorized or designated by the President in accordance with the last sentence of section 5303(a) of title 5, United States Code, for purposes of this subsection) may prescribe any regulations necessary to carry out this subsection. (c) Any additional authority under this section may, during fiscal year 1992, be exercised only to the extent that amounts otherwise appropriated under this Act for purposes of section 5303 of title 5, United States Code, are available. SEC. 519. None of the funds appropriated or otherwise made available to the Department of the Treasury by this or any other Act shall be obligated or expended to contract out positions in, or downgrade the position classifications of, members of the United States Mint Police Force and the Bureau of Engraving and Printing Police Force, or for studying the feasibility of contracting out such positions. SEC. 520. The Office of Personnel Management may, during the fiscal year ending September 30, 1992, accept donations of supplies, services, and equipment for the Federal Executive Institute, the Federal Quality Institute, and Executive Seminar Centers for the enhancement of the morale and educational experience of attendees. SEC. 521. 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 stainless steel flatware 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 stainless steel flatware produced in the United States or its possessions, cannot be procured as and when needed from sources in the United States or its possessions or except in accordance with procedures provided by section 6-104.4(b) of Armed Services Procurement Regulations, dated January 1, 1969. This section shall be applicable to all solicitations for bids issued after its enactment. SEC. 522. The United States Secret Service may, during the fiscal year ending September 30, 1992, accept donations of money to off-set costs incurred while protecting former Presidents and spouses of former Presidents when the former President or spouse travels for the purpose of making an appearance or speech for a payment of money or any thing of value. SEC. 523. None of the funds made available by this Act may be used to withdraw the designation of the Virginia Inland Port at Front Royal, Virginia, as a United States Customs Service port of entry. SEC. 523A. (a)(1) In the cases of all appropriations accounts within this Act, with the exception of the Committee for Purchase from the Blind and Other Severely Handicapped, salaries and expenses, from which expenses for travel, transportation, and subsistence (including per diem allowances) are paid under chapter 57 of title 5, United States Code, there are hereby prohibited to be obligated under such accounts in fiscal year 1992 a uniform percentage of such amounts, as determined by the President in accordance with the provisions of paragraph (2), as, but for this subsection, would— (A) be available for obligation in such accounts as of October 1, 1991,
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