Ohio Rev. Code § 5147.07: Purchasing supplies.

No articles or supplies manufactured under this section or sections 5147.12 to 5147.22 of the Revised Code by the labor of convicts of state correctional institutions shall be purchased from any other source for the state or its institutions unless the department of administrative services, in consultation with the department of rehabilitation and correction, determines that the articles or supplies cannot be furnished and issues a waiver under section 125.035 of the Revised Code.