Okla. Stat. tit. 62, § 690.6

A. The boards of county commissioners of at least three but no more than six contiguous enterprise zones are authorized, by adoption of a resolution by a majority of the members of each board, to form an enterprise district. B. The governing body of at least three but no more than six contiguous enterprise zones, established within the corporate limits of a city or town, are authorized, by adoption of a resolution by a majority of the members of the governing body of such city or town, to form an enterprise district. C. Before an enterprise zone can be established within the corporate limits of a city or town or before an enterprise zone can be established which incorporates any part of a city or town the need for participation of such city or town shall be determined by a majority vote of the governing body. No enterprise zone shall include all or part of a city or town if the governing body does not approve such inclusion.