PUBLIC LAW 101-507 —NOV. 5, 1990 104 STAT. 1381 Research Centers and other National Science Foundation supported research facilities may be credited to this appropriation: Provided further, That to the extent that the amount appropriated is less than the total amount authorized to be appropriated for included program activities, all amounts, including floors and ceilings, specified in the authorizing Act for those program activities or their subactivities shall be reduced proportionally. ACADEMIC RESEARCH FACILITIES For necessary expenses in carrying out an academic research facilities program pursuant to the purposes of the National Science Foundation Act of 1950, as amended (42 U.S.C. 1861-1875), including services as authorized by 5 U.S.C. 3109 and rental of conference rooms in the District of Columbia, $20,478,000, to remain available until September 30, 1992. PROGRAM DEVELOPMENT AND MANAGEMENT For necessary program development and management expenses in carrying out the purposes of the National Science Foundation Act of 1950, as amended (42 U.S.C. 1861-1875), and the Act to establish a National Medal of Science (42 U.S.C. 1880-1881); services authorized by 5 U.S.C. 3109; hire of passenger motor vehicles; not to exceed $6,000 for official reception and representation expenses; uniforms or allowances therefor, as authorized by law (5 U.S.C. 5901-5902); rental of conference rooms in the District of Columbia; reimbursement of the General Services Administration for security guard services; $101,000,000, to remain available until September 30, 1992: Provided, That contracts may be entered into under program development and management in fiscal year 1991 for maintenance and operation of facilities, and for other services, to be provided during the next fiscal year. UNITED STATES ANTARCTIC PROGRAM ACTIVITIES For necessary expenses in carrying out the research and operational support for the United States Antarctic Program pursuant to the National Science Foundation Act of 1950, as amended (42 U.S.C. 1861-1875); maintenance and operation of aircraft and purchase of flight services for research and operations support; improvement of environmental practices and enhancements of safety; maintenance and operation of research ships and charter or lease of ships for research and operations support; hire of passenger motor vehicles; not to exceed $2,500 for official reception and representation expenses; $100,000,000, to remain available until expended: Provided, That receipts for support services and materials provided for non-Federal activities may be credited to this appropriation. UNITED STATES ANTARCTIC LOGISTICAL SUPPORT ACTIVITIES For necessary expenses in reimbursing Federal agencies for logistical and other related activities for the United States Antarctic Program pursuant to the National Science Foundation Act of 1950, as amended (42 U.S.C. 1861-1875); maintenance, and operation of aircraft and purchase of flight services for research and operations support; improvement of environmental practices and enhance-
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