Mo. Rev. Stat. § 33.170
Current with changes from the 2023 Legislative Session
No claim or account shall be preapproved by the commissioner of administration, nor shall any warrant be paid by the state treasurer, unless the money has been previously appropriated by law; nor shall the whole amount drawn for or paid, under any one head, ever exceed the amount appropriated by law for that purpose.
§ 33.170, RSMo
RSMo 1939 § 13043, A.L. 1945 p. 1428 § 44, A.L. 1945 p. 1977 § 11, A. 1949 S.B. 1015