Okla. Stat. tit. 19, § 378

A. Until January 1, 1983, nothing in Sections 376 or 377 of this title shall be interpreted as prohibiting a county, acting through the authority of the board of county commissioners, from contracting with an established public trust which has been or may be created pursuant to the provisions of Sections 176 et seq. of Title 60 of the Oklahoma Statutes for the purpose of providing to all county offices, departments and agencies electronic data processing services. B. Beginning January 1, 1983, nothing in Sections 376 or 377 of this title shall be interpreted as prohibiting a county purchasing agent, upon approval of the board of county commissioners, from contracting with an established public trust which has been or may be created pursuant to the provisions of Sections 176 et seq. of Title 60 of the Oklahoma Statutes for the purpose of providing to all county offices, departments and agencies electronic data processing services.