PUBLIC LAWS--CH. 286-JUNE 27,1944 ment of buildings and the installation and repair of the mechanical equipment thereof shall not exceed 20 per centum of the annual rental of such buildings. nublic buildings Salaries and expenses, public buildings and grounds in the District and grounds, D. C . salaries and ex- of Columbia and adjacent area: For administration, protection, penses. maintenance, and improvement of public buildings and grounds in the District of Columbia and the area adjacent thereto, maintained and operated by the Public Buildings Administration, including the National Archives Building; repair, preservation, and equipment of buildings operated by the Treasury and Post Office Departments in the District of Columbia; rent of buildings; demolition of buildings; expenses incident to moving various executive departments and establishments in connection with the assignment, allocation, transfer, and survey of building space; traveling expenses and carfare; leather and rubber articles and gas masks for the protection of public property and employees; furnishings and equipment; arms and ammunition for the guard force; purchase, repair, and cleaning of uniforms for guards and elevator conductors; $29,530,800: Provided, Payment for serv- That where quarters or maintenance or other services are furnished Pot, p. 88 on a reimbursable basis to any governmental activity, such activity shall make payment therefor promptly by check upon the written request of the Commissioner of Public Buildings, either in advance or after the service has been furnished, for deposit to the credit of this appropriation, of all or part of the estimated or actual cost thereof, as the case may be, and proper adjustment upon the basis of the actual cost shall be made for services paid for in advance. and roundsoutside Salaries and expenses, public buildings and grounds outside the D. c. District of Columbia: For operation, protection, and maintenance, pense andex-s including cleaning, heating, lighting, rental of buildings and ot.p. 858. equipment, supplies, materials, furnishings and equipment, personal services, arms, ammunition, leather and rubber articles, and gas masks for the protection of public property and employees, purchase of uniforms for guards and elevator conductors, and every expenditure requisite for and incidental to such maintenance and operation of public buildings and grounds outside of the District of Columbia maintained and operated by the Public Buildings nue of present fur- Administration, $10,581,000: Provided, That all furniture now owned by the United States in other public buildings or in buildings rented by the United States shall be used, so far as practicable, whether or not it corresponds with the present regulation plan for furniture: servicetelephone Provided further, That this appropriation shall be available for contracts for telephone switchboards or equivalent telephone-switch- ing equipment jointly serving in each case two or more governmental activities in buildings operated by the Public Buildings Adminis- tration where it is found that joint service is economical and in the interests of the Government, and any Government activity receiving such service shall pay promptly by check upon the written request of the Commissioner of Public Buildings, either in advance or after the service has been furnished, for deposit to the credit of this appropriation, all or part of the estimated or actual cost thereof, as the case may be, and proper adjustment upon the basis of the actual cost shall be made for service paid for in advance. Perdiememployees. Under the appropriations for salaries and expenses, public build- ings and grounds in and outside the District of Columbia, per diem employees may be paid at rates approved by the Commissioner of Public Buildings, not exceeding current rates for similar services in the place where such services are employed, and such employees in emergencies may be entered on duty subject to confirmation by the Federal Works Administrator. [58 STAT.
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