Oregon Revised Statutes Financial Institutions § 708A.500

An insured institution may pay any trust account, on request, to any trustee. Unless the insured institution has received written notice that the beneficiary has a vested interest that does not depend upon the beneficiary's surviving the trustee, the insured institution may pay the personal representative or heirs of a deceased trustee if proof of death is presented to the insured institution showing that the decedent survived all other persons named on the account either as trustee or beneficiary. The insured institution may pay, on request, the beneficiary upon presentation to the insured institution of proof of death showing that the beneficiary or beneficiaries survived all persons named as trustees.