Okla. Stat. tit. 21, § 715
Any person guilty of manslaughter in the first degree shall be guilty of a felony punishable by imprisonment in the custody of the Department of Corrections for not less than four (4) years.
R.L. 1910, § 2323; Amended by Laws 1997, HB 1213, c. 133, § 235 (effective date amended to July 1, 1999, by Laws 1998, 1st Extr. Sess., HB 1002, c. 2, §§ 23-26, emerg. eff. June 19, 1998) (superseded document available); Amended by Laws 1999, 1st Extr. Sess., HB 1009, c. 5, § 139, emerg. eff. July 1, 1999 (superseded document available); Amended by Laws 2005, HB 1686, c. 200, § 4, emerg. eff. May 20, 2005 (superseded document available); Amended by Laws 2006, SB 1742, c. 185, § 2, eff. November 1, 2006 (superseded document available).