Ohio Rev. Code Ann. § 5301.01
(B)
(1) If a deed, mortgage, land contract as referred to in division (A) (21) of section 317.08 of the Revised Code, lease of any interest in real property, or a memorandum of trust as described in division (A) of section 5301.255 of the Revised Code was executed prior to February 1, 2002, and was not acknowledged in the presence of, or was not attested by, two witnesses as required by this section prior to that date, both of the following apply: