18. The members of such committees shall be appointed for a term of three years. Nevertheless five of the first members of each of such committees shall hold office for four years and five others for five years. Such members, if not designated when appointed, shall be designated by lot.
At the end of their term, members of such committees remain in office until they are reappointed or replaced.
Any vacancy in either of such committees shall be filled for the remainder of the term of office of the member to be replaced.
In no case shall an appointment be renewed consecutively more than once.
R. S. 1964, c. 234, s. 18; 1990, c. 8, s. 68.