Okla. Stat. tit. 85, Rule 9
An employee shall give oral or written notice of injury to the employer pursuant to 85 O.S., Sections 318 and 323.
Adopted by order of the Supreme Court, 1997 OK 130, eff. November 1, 1997; Amended by order of the Supreme Court, 2002 OK 6, eff. March 1, 2002; Renumbered from former Rule 12 by order of the Supreme Court, 2006 OK 6, eff. January 30, 2006 (superseded document available ). Amended by order of the Supreme Court, 2012 OK 19, eff. March 6, 2012. (superseded document available.)