Oregon Revised Statutes Probate Law § 113.045

(1) Upon appointment, a personal representative shall deliver or mail to an estate administrator of the Department of State Lands appointed under ORS 113.235 a copy of the petition filed under ORS 113.035, and a copy of any last will of the decedent, if the personal representative has not identified and found all heirs and devisees of the decedent. The personal representative shall file proof of the delivery or mailing with the court.

(2) If at any time after the appointment of a personal representative it appears that any heir or devisee of the decedent cannot be identified and found, the personal representative shall promptly deliver or mail to an estate administrator of the Department of State Lands appointed under ORS 113.235 a notice indicating that an heir or devisee cannot be identified and found. The personal representative shall file proof of the delivery or mailing with the court.

(3) This section does not affect the requirements of ORS 113.085 (2).