Okla. Stat. tit. 11 § 46-103
The regional planning commission shall prepare from time to time plans for the systematic development and betterment of the regional district for residence, manufacturing or business purposes. It may consider and investigate any subject matter tending to the development and betterment of such regional district and make recommendations as it may deem advisable concerning the adoption thereof to any department of the municipal or county government, and for any purpose make or cause to be made surveys, maps or plans. The commission shall have the power and authority to employ attorneys, engineers, clerks and a secretary, and to pay for their services, and to pay for such other expenses as the commission may lawfully incur, including the necessary disbursements incurred by its members in the performance of their duties as members of the commission. It shall be lawful for the board of county commissioners to appropriate money for the expenses of such regional planning commission.
Okla. Stat. tit. 11, § 46-103