Okla. Stat. tit. 11 § 50-129
Notwithstanding any other provision of law, any aggrieved party may appeal the decision of the State Board in granting, denying or adjusting a pension or retirement benefit, and such appeal shall be made in the district court of Oklahoma County. The appeal shall be commenced within thirty (30) days after the date of the State Board's decision. Notice of the intent to appeal shall be given by the aggrieved party to the State Board within ten (10) days after the date of the State Board's decision. The proceedings, practice, and standards of review in the district court shall be governed by the Administrative Procedures Act except as otherwise provided in this section. The district court may affirm, reverse or modify the decision of the State Board. The court may also remand the cause with specific instructions to the State Board. The court costs and expense of preparation of any transcript shall be paid by the losing party. All other legal actions or proceedings against the Oklahoma Police Pension and Retirement Board, the Oklahoma Police Pension and Retirement System or its employees or agents shall be brought in the district court of Oklahoma County.
Okla. Stat. tit. 11, § 50-129