36 U.S.C. § 9

That the Federal Works Administrator, through the Public Buildings Administration [both now under the Administrator of General Services], is hereby authorized to furnish steam from the central heating plant for the heating of said building, such steam to be paid for by the American National Red Cross, District of Columbia Chapter, at such reasonable rates, not less than cost, as may be determined by the Federal Works Administrator [now Administrator of General Services]: Provided, That the Federal Works Administrator, through the Public Buildings Administration [both now under the Administrator of General Services], is authorized to prepare plans and specifications and to supervise and to contract for the work necessary to connect said building with the Government mains and to pay the cost of such work and services, including administrative expenses, from the funds consolidated into the Treasury pursuant to section 5 thereof.