(1) The following may serve as trustees:
(a) Any suitable persons over the age of eighteen years, if not otherwise disqualified;
(b) Any trust company regularly organized under the laws of this state and national banks when authorized to do so;
(c) Any nonprofit corporation, if the articles of incorporation or bylaws of that corporation permit the action and if the corporation is in compliance with all applicable provisions of Title
24 RCW;
(d) Any professional service corporations, professional limited liability companies, or limited liability partnerships, that are duly organized under the laws of this state and whose shareholders, members, or partners, respectively, are exclusively attorneys;
(e) Any state or regional college or university, as those institutions are defined in RCW
28B.10.016;
(f) Any community or technical college, as those institutions are defined in RCW
28B.50.030; and
(g) Any other entity so authorized under the laws of the state of Washington.
(2) The following are disqualified to serve as trustees:
(a) Minors, persons of unsound mind, or persons who have been convicted of (i) any felony or (ii) any crime involving moral turpitude; and
(b) A corporation organized under Title
23B RCW that is not authorized under the laws of the state of Washington to act as a fiduciary.