54 STAT.] 76TH CONG. , 3 D SESS.-CH. 107-APR . 18, 1940 1410), $10,000,000: Provided, That, except for payments required on contracts entered into prior to the date of enactment of this Act, no part of this appropriation shall be available for payment to any public-housing agency for expenditure in connection with any low- rent housing project, unless the public housing agency shall have adopted regulations prohibiting as a tenant of any such project by rental or occupancy, any person other than a citizen of the United States. Any of the foregoing appropriations for general or administrative expenses under the Federal Works Agency shall be available for the maintenance, repair, and operation of motor-propelled passenger- carrying vehicles in the District of Columbia and in the field. The Federal Works Administrator or other official designated by him may exchange motor-propelled vehicles, scientific apparatus, instruments, labor-saving office devices, and accessories in whole or in part payment for vehicles, scientific apparatus, instruments, labor- saving devices, and accessories. Section 3709 of the Revised Statutes shall not apply to any pur- chase by or service rendered for, any office or agency of the Federal Works Agency, when the aggregate amount involved in any such case does not exceed the sum of $100. FOREIGN-SERVICE PAY ADJUSTMENT Foreign-service pay adjustment of officers and employees of the United States in foreign countries due to appreciation of foreign currencies: For the purpose of carrying into effect the provisions of the Act entitled "An Act to authorize annual appropriations to meet losses sustained by officers and employees of the United States in foreign countries due to appreciation of foreign currencies in their relation to the American dollar, and for other purposes", approved March 26, 1934 (U. S. C. Supp. IV, Title 5, Sec. 118c), and for each and every object and purpose specified therein, $1,280,000. GENERAL ACCOUNTING OFFICE Salaries: For Comptroller General, Assistant Comptroller Gen- eral, and other personal services in the District of Columbia and elsewhere, $4,954,600. Contingent expenses: For traveling expenses, materials, supplies, equipment, and services; rent of buildings and equipment; furnish- ing of heat and light; purchase and exchange of books, lawbooks, books of reference, and periodicals, typewriters, calculating machines, and other office appliances, including their development, repairs, and maintenance, including one motor-propelled, passenger-carrying vehicle; and miscellaneous items, $272,140: Provided, That section 3709 of the Revised Statutes (41 U. S. C . 5) shall not be construed to apply to any purchase or service rendered for the General Account- ing Office when the aggregate amount involved does not exceed the sum of $50. For all printing and binding for the General Accounting Office, including monthly and annual editions of selected decisions of the Comptroller General of the United States, $79,800. Total, General Accounting Office, $5,306,540. Proviso. Citizenship require- ment. Vehicles. Exchanges author- ized. Minor purchases. 41U.S.C.§5. Post, p. 1109. Losses due to cur- rency appreciation. 48 Stat. 466 . 5U.8.C. 118c; Supp. V, §118c. Salaries. Contingent ex- pense. Proviso. Minor purchases. Post, p. 1109. Printing and bind- ing. INTERSTATE COMMERCE COMMISSION SALARIES AND EXPENSES General administrative expenses: For eleven Commissioners, see- tivae pensms retary, and for all other authorized expenditures necessary in the execution of laws to regulate commerce, including one chief counsel,
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