Okla. Stat. tit. 63 § 1-219
The board of county commissioners of any county, or the board of county commissioners of two or more counties jointly, is hereby authorized, at the option and approval of the board or boards, to conduct a child guidance program, and/or community health center and/or community facility for individuals with intellectual disabilities, separate and apart from or in conjunction with the county department of health, and to request as a part of the county budget an appropriation of not to exceed an amount equal to the net proceeds of a levy of three-fourths (3/4) mill on the dollar valuation of taxable property in the county for such purpose or purposes; and to employ personnel, within the limits of such funds, to conduct such program or programs. Provided, that any center or facility for mental health services established or maintained hereunder shall first be approved by the State Director of Mental Health on advice of the Board of Mental Health and shall operate under the guidelines of the Oklahoma Mental Health Services Act; and any center or facility for intellectual disability services established or maintained hereunder shall first be approved by the Director of Human Services.
Okla. Stat. tit. 63, § 1-219