Ohio Rev. Code § 4733.23
Except as otherwise provided in divisions (B), (C), and (D) of section 4733.18 of the Revised Code, no public authority, as defined in division (A) of section 153.65 of the Revised Code, shall accept or use any engineering or surveying plan prepared by any person not registered as a professional engineer or professional surveyor under this chapter. The state board of registration for professional engineers and surveyors is hereby authorized to apply for relief by injunction or restraining order to enjoin or restrain a person from the commission of any act which is prohibited by this chapter. The remedy provided by this section shall be in addition to any other remedy provided by law. The attorney general or the attorney general's designated assistant shall act as legal adviser of the board and render such legal assistance as may be necessary.
R.C. §4733.23