On and after June 8, 1942, the Senate Office Building, and the employment of all services (other than for the United States Capitol Police) necessary for its protection, care, and occupancy, together with all other items that may be appropriated for by the Congress for such purposes, shall be under the control and supervision of the Architect of the Capitol, subject to the approval of the Senate Committee on Rules and Administration as to matters of general policy; and the Architect of the Capitol shall submit annually to the Congress estimates in detail for all services (other than for the United States Capitol Police) and for all other expenses in connection with said office building and necessary for its protection, care, and occupancy.
2 U.S. Code § 2023 - Control, care, and supervision of Senate Office Building
2010—Pub. L. 111–145 substituted “other than for the United States Capitol Police” for “other than for officers and privates of the Capitol Police” in two places.
1946—Act Aug. 2, 1946, substituted “Committee on Rules and Administration” for “Committee on Rules”.
Act Aug. 2, 1946, ch. 753, title I, § 142, 60 Stat. 834, provided that section 102 of that act shall take effect on Jan. 2, 1947, and section 245 of title II of that act, 60 Stat. 839, provided that section 224 thereof shall “take effect on the day on which the Eightieth Congress convenes”. The Eightieth Congress convened on Jan. 3, 1947.