Laws 1915, c. 179, § 1; Amended by Laws 1925, c. 38, p. 56, § 1; Amended by Laws 1965, c. 395, § 1, emerg. eff. 7/1/1965; Amended by Laws 2001, HB 1378, c. 146, §172, emerg. eff. 4/30/2001; Renumbered as 2 O.S. § 15-51 by Laws 2001, HB 1378, c. 146, §269, emerg. eff. 4/30/2001.