Ohio Rev. Code Ann. § 153.691

No public authority planning to contract for professional design services under section 153.69 of the Revised Code shall require any form of fee estimate, fee proposal, or other estimate or measure of compensation prior to selecting and ranking professional design firms, except in instances when firms are selected and ranked by a state agency from a list of prequalified firms created under section 153.68 of the Revised Code and the state agency's payment of funds for the professional design services has been preapproved by the controlling board.