Ohio Rev. Code Ann. § 5727.32
(A) For the purpose of the tax imposed by section 5727.30 of the Revised Code, the statement required by section 5727.31 of the Revised Code shall contain:
(7) In the case of telegraph companies:
(a) The gross receipts from all sources, whether messages, telephone tolls, rentals, or otherwise, for business done within this state, including all sums earned or charged, whether actually received or not, for the year ending on the thirtieth day of June, and the company's proportion of gross receipts for business done by it within this state in connection with other companies, firms, corporations, persons, or associations, but excluding all of the following:
(8) In the case of all public utilities subject to the tax imposed by section 5727.30 of the Revised Code, except telegraph companies:
(a) The gross receipts of the company, actually received, from all sources for business done within this state for the year next preceding the first day of May, including the company's proportion of gross receipts for business done by it within this state in connection with other companies, firms, corporations, persons, or associations, but excluding both of the following:
(B) The reports required by section 5727.31 of the Revised Code shall contain: