Okla. Stat. tit. 68, § 68-3142: Tax lien subject to other state lien

Whenever any lands shall be sold for delinquent taxes under the

provisions of this article, upon which any mortgage or other lien

exists in favor of the State of Oklahoma, or the Commissioners of

the Land Office or any other commission, board or officer having

power to loan public funds, or any funds under the control of the

state upon real estate security, such tax shall be secondary at all

times to the lien of the state, or of the Commissioners of the Land

Office, or of such commission, board or officer.