Okla. Stat. tit. 19 § 401.1
In any city other than the county seat, within the county, which has been designated as a court or court division city under authority of Sections 95.1 through 95.5, inclusive, of Title 20 of the Oklahoma Statutes, the board of county commissioners may provide suitable and adequate courtroom and office space for the judges of the district court and attendants, for the court clerk and staff, and for a branch of the county law library where established under Section 1202 of Title 20 of the Oklahoma Statutes, to be furnished by the county in a suitable building in such city.
The board of county commissioners shall also furnish electricity, water, other utilities, toilet facilities and janitorial service, suitable and sufficient for the transaction of court business in such facilities.
Okla. Stat. tit. 19, § 401.1