Ohio Rev. Code Ann. § 6115.321
(C) Not sooner than thirty days after the clerk of the court of common pleas notifies legislative authorities of municipal corporations and boards of township trustees in accordance with division (B) of this section, one of the following applies:
(D) If a court of common pleas enters a decree in accordance with division (C) of this section excluding from a sanitary district the territory of a municipal corporation or a township, as applicable, the court shall do both of the following: