Ohio Revised Code Title VII. Municipal Corporations § 733.51

The city director of law shall prepare all contracts, bonds, and other instruments in writing in which the city is concerned, and shall serve the several directors and officers provided in Title VII of the Revised Code as legal counsel and attorney.

The director of law shall be prosecuting attorney of the mayor's court. When the legislative authority of the city allows assistants to the director of law, he may designate the assistants to act as prosecuting attorneys of the mayor's court. The person designated shall be subject to the approval of the legislative authority.