Ohio Rev. Code Ann. § 711.08

When plats adopted by a platting commission or board of public works are on record, the plat mentioned in section 711.06 of the Revised Code of any addition within the limits of a municipal corporation shall not be recorded until the engineer thereof certifies that the streets, as laid out on the plats of such addition, correspond with those laid out on the recorded plats of the commission or board. When there are streets laid down in addition to those adopted by such commission or board, or in any municipal corporation where no commission is or has been in existence, no such plat shall be recorded until it has been approved by the legislative authority of the municipal corporation.