Oregon Revised Statutes Probate Law § 111.245

(1) Proof of documents pursuant to ORS chapters 111, 112, 113, 114, 115, 116 and 117 may be made as follows:

(2) A document or order filed or entered in a foreign jurisdiction may be proved by a copy thereof, certified by a clerk of the court in which the document or order was filed or entered or by any other official having legal custody of the original document or order.