Notwithstanding any other provision of law, the Architect of the Capitol, with the approval of the House Office Building Commission and Senate Committee on Rules and Administration, is authorized to secure, through rental, lease, or other appropriate agreement, storage space in areas within the District of Columbia and its environs beyond the boundaries of the United States Capitol Grounds for use of the United States Senate, the United States House of Representatives, and the Office of the Architect of the Capitol, under such terms and conditions as such Commission and committee may authorize, and to incur any necessary incidental expenses in connection therewith.