Ohio Rev. Code Ann. § 149.432
(A) As used in this section:
(1) "Library" means a library that is open to the public, including any of the following:
(2) "Library record" means a record in any form that is maintained by a library and that contains any of the following types of information:
(B) A library shall not release any library record or disclose any patron information except in the following situations:
(2) Library records or patron information shall be released in the following situations: