Oregon Revised Statutes Probate Law § 116.233

Upon the petition of any interested person, the court, with such notice as it may prescribe, may order the estate of a decedent reopened if other property is discovered, if any necessary act remains unperformed or for any other proper cause appearing to the court. The court may reappoint the former personal representative, or appoint another personal representative, to administer any additional property or to perform such other acts as are considered necessary. The provisions of law as to original administration apply, in so far as applicable, to accomplish the purpose for which the estate is reopened, but a claim that already is adjudicated or barred may not be asserted in the reopened administration.