(A) Service of process, with a copy of the complaint and the will, and a copy of the related trust, if applicable, shall be made on every party defendant named in the complaint filed under section 5817.02 of the Revised Code, as provided in the applicable Rules of Civil Procedure. (B) Service of process, with a copy of the complaint and the trust, and a copy of the related will, if applicable, shall be made on every party defendant named in the complaint filed under section 5817.03 of the Revised Code, as provided in the applicable Rules of Civil Procedure.
Service of process
Ohio Rev. Code Ann. § 5817.07, under Chapter 5817 | Determination Of Validity Of Trust Or Will During Lifetime.
Ohio Rev. Code Ann. § 5817.07