Ohio Rev. Code Ann. § 5739.03
(A) Except as provided in section 5739.05 or section 5739.051 of the Revised Code, the tax imposed by or pursuant to section 5739.02, 5739.021, 5739.023, or 5739.026 of the Revised Code shall be paid by the consumer to the vendor, and each vendor shall collect from the consumer, as a trustee for the state of Ohio, the full and exact amount of the tax payable on each taxable sale, in the manner and at the times provided as follows:
(B)
(1)
(b) A vendor that obtains a fully completed exemption certificate from a consumer is relieved of liability for collecting and remitting tax on any sale covered by that certificate. If it is determined the exemption was improperly claimed, the consumer shall be liable for any tax due on that sale under section 5739.02, 5739.021, 5739.023, or 5739.026 or Chapter 5741. of the Revised Code. Relief under this division from liability does not apply to any of the following: