No member, alternate member, or member of a committee established by the commission who is a nonmember of the commission, shall receive compensation. Each member of the commission or each alternate member serving in the place of a member, except ex officio members who are officers or employees of a governmental entity, and each member of a committee established by the commission who is a nonmember of the commission, may receive per diem of not more than one hundred dollars ($100) per day, as established by the commission, and may also receive necessary traveling expenses and meal allowances, as approved by the commission. The per diem, traveling expenses, and allowances may be paid for each day spent in actual attendance at, or in traveling to and from, meetings of the commission or committees of the commission, or on special assignment for the commission, as approved by the commission.