6. Any vacancy on the board of directors shall be filled in accordance with the rules of appointment set out in sections 4 and 4.1 for the unexpired portion of the term of the member to be replaced.
Absence from the number of board meetings determined by regulation of the certification board constitutes a vacancy, in the cases and circumstances indicated therein.
1999, c. 32, s. 6; 2006, c. 27, s. 2.