Ohio Rev. Code Ann. § 5740.08
(A) As used in this section:
(B) A certified service provider shall preserve the privacy of consumers who buy, lease, or rent tangible personal property or services from sellers with whom the provider has contracted for the collection and remittance of sales and use taxes to this state. The certified service provider shall protect the personally identifiable information of a consumer in the same manner as required of the department of taxation for taxpayer information. The certified service provider shall use a certified automated system to perform sales and use tax calculations, remittances, and reporting that does not retain the personally identifiable information of consumers, except as follows:
(E) Notwithstanding this section, the laws of this state regarding the collection, use, and maintenance of confidential taxpayer information remain applicable and binding. The agreement does not enlarge or limit this state's authority to do any of the following: