(b) Term of office. The term of office of each member shall be six years from the first day of February of the year in which the term of his predecessor expired. A vacancy in the membership of the commission shall be filled by appointment by the governor, by and with the advice and consent of the senate, for the unexpired term.
(c) Expenses. The president and each of the other members shall be paid the necessary expenses incurred in the discharge of his duties.