Oregon Revised Statutes Probate Law § 113.165

Within 60 days after the date of appointment, unless a longer time is granted by the court, a personal representative shall file in the estate proceeding an inventory of all the property of the estate that has come into the possession or knowledge of the personal representative. The inventory shall show the estimates by the personal representative of the respective true cash values as of the date of the death of the decedent of the properties described in the inventory.