Okla. Stat. tit. 74 § 227.8
Notwithstanding the provisions of any other law, any state agency, board, commission, city or town, common school, technology center school, county, institution of higher education, public trust or political subdivision of the state may enter into agreements with the State Auditor and Inspector to perform audits, investigative or consultant services and the entity shall pay the State Auditor and Inspector for the services. Payments made by such entity shall be deposited in the State Treasury to the credit of the State Auditor and Inspector Revolving Fund created by Section 227.9 of this title. Expenses incurred in auditing such books and accounts, including compensation of necessary personnel, including consultants, or causing the books and accounts to be audited, shall be paid by the entity in the same manner as now provided by law for other disbursements.
Okla. Stat. tit. 74, § 227.8