Meetings of the board

(a) The board shall hold regular meetings on the third Monday of every other month, except when an emergency arises. A quorum shall consist of four members, provided there is at least one public, labor, and management member present. A member who is unable to attend a meeting may, by completing a proxy form, designate an appropriate alternate member to serve as a substitute. The minutes of the meeting shall be recorded in a formal book of minutes, and these official minutes shall be signed by the director of the board. (b) The chairman may convene special and emergency meetings.