Pub. L. 90-550, tit. I, under "General Provisions"
General Provisions
General Provisions The appropriate appropriation or fund available to the General Services Administration shall be credited with (1) cost of operation, protection, maintenance, upkeep, repair, and improvement, included as part of rentals received from Government corporations pursuant to aw (40 U.S.C. 129); (2) reimbursements for services performed in respect to bonds and other obligations under the jurisdiction of the General Services Administration, issued by public authorities, States, or other public bodies, and such services in respect to such bonds or obligations as the Administrator deems necessary and in the public interest may, upon the request and at the expense of the issuing agencies, be provided from the appropriate foregoing appropriation; and (3) appropriations or fluids available to other agencies, and transferred to the General Services Administration, in connection with property transferred to the General Services Administration pursuant to the Act of July 2, 1948 (50 U.S.C. 451ff), and such appropriations or funds may be so transferred, with the approval of the Bureau of the Budget. Appropriations to the General Services Administration under the heading “Construction, Public Buildings Projects” shall be available, subject to the provisions of the Public Buildings Act of 1959 for (1) acquisition of buildings and sites thereof by purchase, condemnation, 82 Stat. 944or otherwise, including prepayment of purchase contracts, (2) extension or conversion of Government-owned buildings, and (3) construction of new buildings, in addition to those set forth under that appropriation: Provided, That nothing herein shall authorize an expenditure of funds for acquisition, extension or conversion, or construction without the approval of the Committees on Appropriations of the Senate and House of Representatives. Funds available to the General Services Administration shall be available for the hire of passenger motor vehicles. No part of any money appropriated by this or any other Act for any agency of the executive branch of the Government shall be used during the current fiscal year for the purchase within the continental limits of the United States of any typewriting machines except in accordance with regulations issued pursuant to the provisions of the Federal Property and Administrative Services Act of 1949, as amended. Not to exceed 2 per centum of any appropriation made available to the General Services Administration for the current fiscal year by this Act may lie transferred to any other such appropriation, but no such appropriation shall be increased thereby more than 2 per centum: Provided, That such transfers shall apply only to operating expenses, and shall not exceed in the aggregate the amount of $2,000,000. Appropriations available to any department or agency during the current fiscal year for necessary expenses, including maintenance or operating expenses, shall also’be available for (a) reimbursement to the General Services Administration for those expenses of renovation and alteration of buildings and facilities which constitute public improvements, performed in accordance with the Public Buildings Act of 1959 (73 Stat. 479) or other applicable law, and (b) transfer or reimbursement to applicable appropriations to said Administration for rents and related expenses, not otherwise provided for, of providing subject to Executive Order 11035, dated July 9, 1962, directly or indirectly, suitable general purpose space for any such department or agency, in the District of Columbia or elsewhere. No part of any appropriation contained in this Act shall be used for the payment of rental on lease agreements for the accommodation of Federal agencies in buildings and improvements which are to be erected by the lessor for such agencies at an estimated cost of construction in excess of $200,000 or for the payment of the salary of any person who executes such a lease agreement: Provided, That the foregoing proviso shall not lie applicable to projects for which a prospectus for the lease construction of space has been submitted to the Congress and approval made in the same manner as for the public buildings construction projects pursuant to the Public Buildings Act of 1959.