Ohio Rev. Code Ann. § 5747.42
(C) The annual return required by this section shall be signed by the qualifying entity's trustee or other fiduciary, or president, vice-president, secretary, treasurer, general manager, general partner, superintendent, or managing agent in this state. The annual return shall contain the facts, figures, computations, and attachments that result in the tax charged by section 5733.41 or 5747.41 of the Revised Code. Each qualifying entity also shall file with its annual return all of the following: