Okla. Stat. tit. 85, § 3.5
A. Upon the agreement of the parties, the venue shall be the judicial district of the county of the legal residence of the claimant at the time the injury was sustained, the judicial district of the county where the injury occurred or the judicial district of the county of the principal place of business of the employer.
In the event that the claimant is not a legal resident of the State of Oklahoma, the necessary hearings shall be held in the judicial district of the county of the principal place of business of the employer. If the parties do not agree to venue as provided for in this section, hearings may be held in any jurisdiction if the Judge determines that good cause has been shown.
Added by Laws 1977, HB 1228, c. 234, § 9, eff. July 1, 1978; Amended by Laws 2005, 1st Extr. Sess., SB 1, c. 1, § 10, emerg. eff. July 1, 2005 (superseded document available).