Oregon Revised Statutes Probate Law § 114.515

(1) If the estate of a decedent meets the requirements of subsection (2) of this section, any of the following persons may file an affidavit with the clerk of the probate court in any county where there is venue for a proceeding seeking the appointment of a personal representative for the estate:

(2) An affidavit under this section may be filed only if:

(3) An affidavit under this section may not be filed until 30 days after the death of the decedent.

(4) An affidavit filed under the provisions of this section must contain the information required in ORS 114.525 and shall be made a part of the probate records. If the affiant is an attorney approved by the Director of Human Services or the Director of the Oregon Health Authority, a copy of the document approving the attorney must be attached to the affidavit.

(5) In determining fair market value under this section, the fair market value of the entire interest in the property included in the estate shall be used without reduction for liens or other debts.

(6) The clerk of the probate court shall charge and collect the fee established under ORS 21.145 for the filing of any affidavit under this section.

(7) Any error or omission in an affidavit filed under this section may be corrected by filing an amended affidavit within four months after the filing of the affidavit.

(8) One or more supplemental affidavits may be filed at any time after the filing of an affidavit under this section for the purpose of including property not described in the original affidavit. Copies of all previously filed affidavits must be attached to the supplemental affidavit and all information required in ORS 114.525 must be reflected in the supplemental affidavit. A supplemental affidavit may not be filed if by reason of the additional property described in the supplemental affidavit any limitation imposed by subsection (2) of this section is exceeded.