Ohio Rev. Code Ann. § 3304.33

No private contract or concession to operate a vending facility on governmental property shall be granted unless the bureau of services for the visually impaired has determined that such facility is not a satisfactory site for a suitable vending facility operated by a blind licensee. Nothing in sections 3304.29 to 3304.34 of the Revised Code shall be construed to impair any valid contract existing prior to August 19, 1976, or to preclude the renegotiation of such contract on the same terms and with the same parties. The bureau of services for the visually impaired shall maintain adequate records to insure that vending facilities operated by blind licensees are suitable vending facilities.