Okla. Stat. tit. 60 § 390
The board of county commissioners of each county of the state, as to such county, and the governing board of each city, town and school district of the state, as to each such governmental subdivision, is hereby authorized in its discretion to accept, upon behalf of such county, city, town or school district, any gift, testamentary or otherwise, whether unconditional or conditional, of any property, whether real or personal or both, to such county, city, town, or school district, or any institution, department or agency thereof; and, in such instances, the property, or, in the case of real property or intangible personal property, the muniments of title thereto, shall be delivered to, and any necessary receipts therefor shall be executed by, such board.
Okla. Stat. tit. 60, § 390