Ohio Rev. Code § 3127.07: Notice and proof of service for personal jurisdiction outside Ohio.

(A) Notice required for the exercise of jurisdiction over a person outside this state may be given in a manner prescribed by the Rules of Civil Procedure, or the Rules of Juvenile Procedure, as appropriate, for service of process or by the law of the state in which the service is made. Notice shall be given in a manner reasonably calculated to give actual notice but may be by publication if other means are not effective.

(B) Proof of service may be made in the manner prescribed by the Rules of Civil Procedure, or the Rules of Juvenile Procedure, as appropriate, or by the law of the state in which the service is made.

(C) Notice is not required if the person submits to the jurisdiction of the court.