Okla. Stat. tit. 85, § 18
Adopted by order of the Supreme Court, 1997 OK 130, eff. 11/1/1997; Renumbered from former Rule 18B and amended by order of the Supreme Court, 2006 OK 6, eff. 1/30/2006. Amended by order of the Oklahoma Supreme Court, 2008 OK 11 , eff. 2/7/2008.