Ohio Rev. Code § 5120.18
The department of rehabilitation and correction shall, with the advice and consent of the department of administrative services, classify public buildings, offices, and institutions and determine the kinds, patterns, designs, and qualities of articles to be manufactured for use therein, which shall be uniform for each class, so far as practicable.
Whenever the department of rehabilitation and correction gives written notice to the superintendent of purchases and printing, or other official having authority to purchase articles, that the department is prepared to supply such articles from any institution under its control, the superintendent or other official shall make any needed purchases of said articles from such institution, unless the chief officer thereof, or the department, having been requested to furnish such articles, gives notice in writing within thirty days from the date of the request, that such articles cannot be furnished.
If the superintendent requires such articles within thirty days from the day of making such request and so states upon the face of such request, the chief officer of such institution or the department of rehabilitation and correction shall forthwith advise the superintendent whether it will be able to furnish such articles within such time, the superintendent may purchase such articles in the open market as in other cases. This section does not apply to any officer, board, or agent of any municipal corporation which maintains an institution that produces or manufactures articles of the kind desired.
R.C. §5120.18