Ohio Rev. Code Ann. § 711.103

When, prior to June 1, 1953, a subdivision plat has been tentatively approved by a planning commission, and lots have been transferred from the subdivision by metes and bounds descriptions prior to June 1, 1953, and a registered surveyor certifies on such plat, or copy thereof, that all such transfers are in conformity with the plat as tentatively approved, such plat, or a copy thereof, may be recorded by the county recorder, notwithstanding that it has not been subscribed and acknowledged by the proprietor thereof, nor finally approved by the planning commission. The certificate of the planning commission as to the date of tentative approval shall be issued on demand.