Ohio Revised Code Title XXI. Courts Probate Juvenile § 2109.021

After letters of appointment are issued to a fiduciary, the court shall accept filings by mail in matters of estates, guardianships, or trusts, unless the court in writing notifies the fiduciary or attorney of record that a personal appearance is necessary, or a personal appearance is otherwise required by law. The court shall reject an improper or incomplete filing and shall return it to the sender.