Okla. Stat. tit. 12, § 1823

Any district court, by agreement of the parties, may refer any civil case, including any domestic relations case, or any portion thereof for mediation. A referral to mediation may be made at any time while a civil case is pending. The order of referral to mediation shall be entered on a standard form consistent with the form provided in subsection D of Section 5 of this act.