History.—s. 43, ch. 19551, 1939; CGL 1940 Supp. 4151(657); s. 43, ch. 20451, 1941; s. 1, ch. 59-95; s. 1, ch. 59-278; s. 5, ch. 61-457; s. 18, ch. 63-512; s. 20, ch. 78-95.