Ohio Revised Code Title LIII. Real Property § 5301.231

(A) All amendments or supplements of mortgages, or modifications or extensions of mortgages or of the debt secured by mortgages, that have been executed in the manner provided in section 5301.01 of the Revised Code shall be recorded in the office of the county recorder of the county in which the mortgaged premises are situated and shall take effect at the time they are delivered to the recorder for record.  Sections 317.08, 5301.23, and 5301.231 of the Revised Code do not affect the enforceability, validity, or legal effect of instruments recorded in those mortgage records prior to October 10, 1963.

(B) An amendment or supplement of a mortgage, or a modification or extension of a mortgage or of the debt secured by a mortgage, that is presented for record shall contain the then current mailing address of the mortgagee.  The omission of this address or the inclusion of an incorrect address shall not affect the validity of the instrument or render it ineffective for purposes of constructive notice.