Ohio Revised Code Title V. Townships § 503.18

In case of a division or change of a township which has retained its original name, the board of township trustees, in levying a tax for the payment of any legal or just claims against such township contracted prior to the change, shall procure a certified abstract from the county auditor, or, in case parcels of such township have been attached to townships of different counties, from the county auditors of the counties to which any portion of such township has been attached, of all the taxable property situated in such attached portions, with the names of the persons owning them.