Ohio Rev. Code Ann. § 3772.05

To carry out the provisions of this chapter and other enforcement provisions provided for under the laws of this state, under their established duties and authority, the tax commissioner, the Ohio ethics commission, the inspector general, and the commission, and their respective employees, may demand access to and inspect, examine, photocopy, and audit all books, accounts, records, and memoranda of any person that is not protected by privilege and that is subject to the provisions of this chapter, and may examine under oath any officer, agent, or employee of that person.