Pub. L. 95-521, tit. VII, sec. 716
contingent fund
contingent fund Sec. 716. The expenses of the Office shall be paid from the contingent fund of the Senate in accordance with the paragraph under the heading “UNDER LEGISLATIVE”, relating to the contingent fund of the Senate, of the Act of October 1, 1888 (28 Stat. 546; 2 U.S.C. 68), and upon vouchers approved by the Counsel.