§ 144.440, RSMo
RSMo 1939 § 11412, A.L. 1941 p. 698, A.L. 1943 p. 1012, A.L. 1945 p. 1865, A.L. 1947 V. II p. 431, A.L. 1951 p. 854, A.L. 1961 p. 627, A.L. 1963 p. 195, A.L. 1975 S.B. 92, A.L. 1982 Adopted by Initiative, Proposition C, November 2, 1982, A.L. 1985 H.B. 280, et al. merged with S.B. 152, A.L. 2013 H.B. 184 merged with S.B. 23 merged with S.B. 99