Ohio Rev. Code Ann. § 4921.19
(A) Every for-hire motor carrier operating in this state shall, at the time of the issuance of a certificate of public convenience and necessity under section 4921.03 of the Revised Code, pay to the public utilities commission, for and on behalf of the treasurer of state, the following taxes:
(B) Every for-hire motor carrier operating in this state solely in intrastate commerce shall, annually between the first day of May and the thirtieth day of June, pay to the commission, for and on behalf of the treasurer of state, the following taxes: