(1) The financial institution, with respect to a trust account as to which there is only one trustee, has received written notice, in a form satisfactory to the financial institution, that the beneficiary has a vested interest not dependent upon his surviving the trustee; or
(2) The financial institution, with respect to a trust account as to which there is more than one trustee, has been provided with a copy of an agreement or resolution of all trustees, in a form satisfactory to the financial institution, to the effect that the beneficiary has a vested interest not dependent upon his surviving the trustees.