57 STAT.] 78TH CONG., 1ST SESS.-CH. 145-JUNE 26, 1943 FEDERAL-AID HIGHWAY SYSTEM For carrying out the provisions of the Act entitled "An Act to provide that the United States shall aid the States in the construction of rural post roads, and for other purposes", approved July 11, 1916 (39 Stat. 355-359), and all Acts amendatory thereof and supple- mentary thereto, to be expended in accordance with the provisions of said Act, as amended, including not to exceed $1,135,000 for depart- mental personal services in the District of Columbia, $40,000,000, to be immediately available and to remain available until expended, which is a part of the amount authorized to be appropriated for the fiscal year 1942 by section 1 of the Act approved September 5, 1940 (54 Stat. 867): Provided, That none of the money herein appro- priated shall be paid to any State on account of any project on which convict labor shall be employed, except this provision shall not apply to convict labor performed by convicts on parole or probation: Pro- vided further, That not to exceed $55,000 of the funds provided for carrying out the provisions of the Federal Highway Act of November 9, 1921 (23 U. S . C . 21, 23), shall be available for the purchase of motor-propelled passenger-carrying vehicles: Providedfurther That, during the fiscal year 1944, whenever performing authorized engi- neering or other services in connection with the survey, construction, and maintenance, or improvement of roads for other Government agencies the charge for such services may include depreciation on engineering and road-building equipment used, and the amounts received on account of such charges shall be credited to the appro- priation concerned: Provided further, That during the fiscal year 1944 the appropriations for the work of the Public Roads Adminis- tration shall be available for meeting the expenses of warehouse main- tenance and the procurement, care, and handling of supplies, materials, and equipment stored therein for distribution to projects under the supervision of the Public Roads Administration, and for sale and dis- tribution to other Government activities, the cost of such supplies and materials or the value of such equipment (including the cost of transportation and handling) to be reimbursed to appropriations current at the time additional supplies, materials, or equipment are procured, from the appropriation chargeable with the cost or value of such supplies, materials, or equipment: Provided further, That the appropriations available to the Public Roads Administration may be used in emergency for medical supplies and services and other assistance necessary for the immediate relief of employees engaged on hazardous work under that Administration: Provided further, That the appropriations for the w6rk of the Public Roads Adminis- tration shall be available for necessary expenses (not exceeding $9,000) of attendance at meetings and conferences of highway depart- ments, associations, organizations, and other agencies concerned, and (not exceeding $15,000) for the temporary employment, by contract or otherwise, of technical consultants and experts without regard to section 3709 of the Revised Statutes, and classification laws. INTER-AMERICAN HIGHWAY For all necessary expenses to enable the President to utilize the services of the Public Roads Administration in fulfilling the obliga- tions of the United States under the Convention on the Pan-American Highway between the United States and other American Republics, signed at Buenos Aires, December 23, 1936, and proclaimed September 16, 1937 (51 Stat. 152), for the continuation of cooperation with several governments, members of the Pan American Union, in con- 179 Construction of ru- ral post roads. 23U.S.C.548;16 U.s. C.C 503. Post, p. 560. Convict labor. Vehicles. 42 Stat. 217, 218. Post, p . 560. Depreciation on equipment. Warehouse mainte- nance, etc. Medical supplies, etc., in emnerglenlccs. Attendance at meet- 11o. Temporary employ- ment. 41U.S.C. 5. Fulfillment of U. S . obligations.
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