A member, alternate member, or member of a committee who is a nonmember of the commission shall not receive a

salary, but may receive a sum of not to exceed one hundred dollars ($100) per day, as established by the commission, 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 authorized assignment for the commission, together with the necessary traveling expenses and meal allowances, as approved by the commission.