56 STAT.] 77THE CONG. , 2D SESS.-CH. 452 -JUNE 27, 1942 from the appropriations under which such services are rendered and expenses incurred. SEC. 3. That all horses, harness, horse-drawn vehicles necessary for use in connection with construction and supervision of sewer, street, street lighting, road work, and street-cleaning work, including mainte- nance of said horses and harness, and maintenance and repair of said vehicles, and purchase of all necessary articles and supplies in connec- tion therewith, or on construction and repair of buildings and bridges, or any general or special engineering or construction work authorized by appropriations, may be purchased, hired, and maintained, and motortrucks may be hired exclusively to carry into effect said appro- priations, when specifically and in writing ordered by the Commis- sioners; and all such expenditures necessary for the proper execution of said work, exclusive of personal services, shall be paid from and equitably charged against the sums appropriated for said work; and the Commissioners in the Budget estimates shall report the number of horses, vehicles, and harness purchased, and horses and vehicles hired, and the sums paid for same, and out of what appropriation; and all horses owned or maintained by the District shall, so far as may be practicable, be provided for in stables owned or operated by said District: Provided, That such horses, horse-drawn vehicles, and carts as may be temporarily needed for hauling and excavating mate- rial in connection with works authorized by appropriations may be temporarily employed for such purposes under the conditions named in section 2 of this Act in relation to the employment of laborers, skilled laborers, and mechanics. SEC. 4. That the Commissioners are authorized to employ in the execution of work, the cost of which is payable from the appropria- tion account created in the District of Columbia Appropriation Act, approved April 27, 1904, and known as the miscellaneous trust-fund deposits, District of Columbia, necessary personal services, horses, carts, and wagons, and to hire therefor motortrucks when specifically and in writing authorized by the Commissioners, and to incur all necessary expenses incidental to carrying on such work and necessary for the proper execution thereof, including the purchase, exchange, maintenance, and operation of motor vehicles for inspection and transportation purposes; such services and expenses to be paid from said appropriation account: Provided, That the Commissioners may delegate to their duly authorized representatives the employment under this section of laborers, mechanics, and artisans. SEC. 5 . That the Commissioners and other responsible officials in expending appropriations contained in this Act, so far as possible, shall purchase material, supplies, including food supplies and equip- ment, when needed and funds are available, in accordance with the regulations and schedules of the Procurement Division of the Treas- ury Department or from various services of the Government of the United States possessing materials, supplies, passenger-carrying and other motor vehicles, and equipment no longer required. Surplus articles purchased from the Government, if the same have not been used, shall be paid for at a reasonable price, not to exceed actual cost, and if the same have been used, at a reasonable price based upon length of usage. The various services of the Government of the United States are authorized to sell such surplus articles to the municipal government under the conditions specified, and the proceeds of such sales shall be covered into the Treasury as miscellaneous receipts: Provided, That this section shall not be construed to amend, alter, or repeal the Executive order of December 3, 1918, concerning the transfer of office materials, supplies, and equipment in the District of Columbia falling into disuse because of the cessation of war activities. 459 Horses, wagons, etc. Proiso. Temporary employ- ment. Miscellaneous trust- fund deposits, D. 0 . Expenses payable from. 33 Stat. 368. D. C. Code 47-311. Proviso. Employment of labor, etc. Purchase of mate- rial, supplies, etc. Surplus articles, price basis. Proviso. 40 U. S.O. I 311a note.
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