Section 10-2-221 - Contingent expenses(a) Each house shall control its own contingent expenses. When any account properly chargeable to the House of Representatives shall be adjusted and allowed according to the Rules of the House of Representatives, a certificate thereof shall be granted, signed by the Speaker of the House of Representatives, and attested by the Chief Clerk of the House of Representatives. When any account or demand for contingent expenses of the Senate shall be allowed, according to the Rules of the Senate, a certificate thereof shall be granted, signed by the President of the Senate and attested by the Secretary of the Senate.(b) All joint and contingent expenses shall be controlled by the concurrent vote of both houses and shall be ascertained and adjusted according to their joint rules, and a certificate thereof shall be signed by the President of the Senate and countersigned by the Secretary of the Senate.(c) Every certificate issued in accordance with the provisions of this section shall specify the amount due, on what account, and the fund out of which it is to be paid. The Auditor of State, on the delivery of any such certificate to him or her, shall draw his or her warrant therefor accordingly as in the case of other demands against the state.Rev. Stat., ch. 90, §§ 13-15; C. & M. Dig., §§ 4959 - 4961; Pope's Dig., §§ 6189 - 6191; A.S.A. 1947, §§ 4-506 -- 4-508.