RCW 11.68.095

Except as otherwise provided by the probated will or by order of a court, all of the provisions of RCW 11.98.016 regarding the exercise of powers by co-trustees of a trust shall apply to the co-personal representatives of an estate in which the co-personal representatives have been granted nonintervention powers, as if, for purposes of the interpretation of that law, co-personal representatives were co-trustees and an estate were a trust.