Mo. Rev. Stat. § 55.040
Office created (second class and certain first class counties).
55.040. Office created (second class and certain first class counties). — The office of county auditor is hereby created in all counties of the first class not having a charter form of government and in all counties of the second class in this state, and the provisions of sections 55.050 to 55.300 , except the provisions of section 55.125 , shall apply to all such counties.
(RSMo 1939 § 13862, A.L. 1945 p. 1406, A.L. 1973 H.B. 678) Prior revisions: 1929 § 12199; 1919 § 9597; 1909 § 3818