Okla. Stat. tit. 19, § 19-266: Fees - Charges to state governmental entities

The county clerk may charge any state agency or other state

governmental entity, except child support enforcement offices

operated by or for the benefit of the Oklahoma Department of Human

Services, rural water districts organized pursuant to the Rural

Water, Sewer, Gas and Solid Waste Management Districts Act and the

Oklahoma Boll Weevil Eradication Organization for liens filed

pursuant to the Boll Weevil Eradication Act, the usual and customary

fee for filing any document with the county clerk and may charge the

usual and customary fee for making copies of any document.