Okla. Stat. tit. 19 § 863.14
Whenever the commission of such county shall make and certify to the board of county commissioners of such county a zoning plan, including both the full text of the zoning resolution and proposed regulations and map or maps, representing the recommendations of the commission for the regulation by districts or zones, of the location, height, bulk, number of stories and size of buildings and other structures in the areas of the county, not included within the territorial jurisdiction of the municipality as herein defined, and the percentage of the lot or area which may be occupied, the size of yards, courts and other open spaces, the density and distribution of population, the uses of buildings, structures and land for trade, industry, residence, recreation, civic and public activities and other purposes, then the board may exercise the powers granted and, for the purposes mentioned in Section 13 of this act, may divide the areas of such county not included within the territorial jurisdiction of the municipality into districts or zones in such number, shape and areas as it may determine and, for said purposes, may regulate the erection, construction, reconstruction, conversion, alteration and uses of buildings and structures and the uses of land. All such regulations shall be uniform for each class or kind of buildings throughout each district, but the regulations in one district may differ from those in other districts.
Okla. Stat. tit. 19, § 863.14