Okla. Stat. tit. 19 § 866.35
For the purpose of cooperating with the State of Oklahoma in conserving the material resources of the state, and in promoting the health, safety, peace, morals and general welfare of the people of the state, any incorporated city or town within a county having in existence a city-county planning commission, as authorized in 19 O.S. 1961, Section 866.1, is hereby authorized to contract with or retain such commission to function as an advisory, consultative and coordinating agency for such city or town in its urban planning activities, including but not limited to making surveys, transportation plans, public facility plans, land use studies, urban renewal plans, conservation plans, technical service, and other planning work.
Okla. Stat. tit. 19, § 866.35