I. Each board member except the legislative members shall serve a 6-year term. The 2 legislative members shall serve a term which is co-terminous with their terms as legislators; provided, however, that at the expiration of a term of 6 years, a legislative member may be reappointed to serve as a board member for an additional 6-year term.II.(a) In the event of a vacancy on said board for any reason which is created by the 2 members appointed pursuant to RSA 541-B:3, I, the provisions of RSA 21:33-a shall apply.(b) If the position of chairman of the board becomes vacant, the provisions of RSA 21:33-a shall apply except that the appointment shall be by the chief justice of the New Hampshire supreme court.(c) A vacancy on the board for any reason which is created by either of the 2 legislative members appointed pursuant to RSA 541-B:3, III, shall be filled by the president of the senate or the speaker of the house of representatives, as appropriate, pursuant to RSA 541-B:3, III.1977, 595:2. 1994, 161:1, eff. July 22, 1994.