((a)) The Comptroller General shall have exclusive custody and control over the building located at 441 G Street, N.W., in the District of Columbia, that is generally known as the General Accounting Office Building, including operation, maintenance, protection, alteration, repair, and assignment of space therein. Such custody and control shall also extend to any machinery, equipment, spare parts and tools located in and usable for the operation and maintenance of the General Accounting Office Building. For the purposes of securing approval of any prospectus detailing proposed alterations of the General Accounting Office Building, as required by , the Comptroller General shall perform the functions assigned to the Administrator of General Services by that section.

((b)) Upon request of the Comptroller General, the Administrator of General Services shall provide, to the extent resources are available, any necessary services for the protection of the property and persons in the General Accounting Office Building, including the provision of special police, responding to and investigating incidents, and the monitoring of the perimeter security system. Such services may be provided with or without reimbursement as the Comptroller General and the Administrator may agree.

((c))

((1)) The Comptroller General is authorized to enter into agreements or contracts to acquire property or services on such terms and conditions and in such a manner as he deems necessary and without regard to section 6101(b) to (d) of title 41; except that the Comptroller General may not acquire real property unless specifically authorized by law. In exercising the authority granted by this section, the Comptroller General shall obtain full and open competition in accordance with the principles and purposes of the Competition in Contracting Act of 1984.

((2)) To the extent that funds are otherwise available for obligation, agreements or contracts for utility services may be made for periods not exceeding 10 years.

((3)) The Comptroller General may make advance, progress, and other payments which relate to agreements or contracts entered into under authority of this section, without regard to the provisions of section 3324(a) and (b) of this title.