(1) The commission is directed by RCW 43.94.050 to establish the institute's membership and board of trustees.

(2) Trustees of the institute shall include all commission members and such other trustees as are elected by the commission.

(3) The number of institute trustees shall not exceed or be less than the limits specified in RCW 43.94.050 as now or hereafter amended, and no decrease in number of trustees shall have the effect of shortening the term of any incumbent trustee.