77 STAT. ]
PUBLIC LAW 88-149-OCT. 17, 1963
265
enterprises, information, as far in advance as possible, with respect to purchases proposed to be financed with funds appropriated under this Act, and by making available or causing to be made available to purchasing and contracting agencies of the Department of Defense information as to commodities and services produced and furnished by small independent enterprises in the United States, and by otherwise helping to give small business an opportunity to participate in the furnishing of commodities and services financed with funds appropriated by this Act. SEC. 509. No appropriation contained in this Act shall be available Mess operations. for expenses of operation of messes (other than organized messes the operating expenses of which are financed principally from nonappropriated funds) at which meals are sold to officers or civilians except under regulations approved by the Secretary of Defense, which shall (except under unusual or extraordinary circumstances) establish rates for such meals sufficient to provide reimbursement of operating expenses and food costs to the appropriations concerned: Provided, That officers and civilians in a travel status receiving a per diem allowance in lieu of subsistence shall be charged at the rate of not less than $2.50 per d a y: Provided further, That for the purposes of this section payments for meals at the rates established hereunder may be made in cash or by deductions from the pay of civilian employees: Provided further, That members of organized nonprofit youth groups sponsored at either the national or local level, when extended the privilege of visiting a military installation and permitted to eat in the general mess by the commanding officer of the installation, shall pay the commuted ration cost of such meal or meals. SEC. 510. No part of any appropriation contained in this Act shall be available until expended unless expressly so provided elsewhere in this or some other appropriation Act. SEC. 511. Appropriations of the Department of Defense available for operation and maintenance, may be reimbursed during the current fiscal year for all expenses involved in the preparation for disposal and for the disposal of military supplies, equipment, and materiel, and for all expenses of production of lumber or timber products pursuant to section 2665 of title 10, United States Code, from amounts 70A Stat. 149. received as proceeds from the sale of any such property: Provided, That a report of receipts and disbursements under this limitation Report to conshall be made quarterly to the Committees on Appropriations of the ^^^1^1°^^ °'"' Congress: Provided further, That no funds available to agencies of the Department of Defense shall be used for the operation, acquisition, or construction of new facilities or equipment for new facilities in the continental limits of the United States for metal scrap baling or shearing or for melting or sweating aluminum scrap unless the Secretary of Defense or an Assistant Secretary of Defense designated by him determines, with respect to each facility involved, that the operation of such facility is in the national interest. SEC. 512. (a) During the current fiscal year, the President may exempt appropriations, funds, and contract authorizations, available for military functions under the Department of Defense, from the provisions of subsection (c) of section 3679 of the Revised Statutes, 31 USC ees. as amended, whenever he deems such action to be necessary in the interests of national defense. (b) Upon determination by the President that such action is necessary, the Secretary of Defense is authorized to provide for the cost of an airborne alert as an excepted expense in accordance with the provisions of Revised Statutes 3732 (41 U.S.C. 11). (c) Upon determination by the President that it is necessary to increase the number of military personnel on active duty beyond
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