11. The chairman shall call and preside at meetings of the council and ensure that they are properly conducted.
The vice-chairman shall replace the chairman if he is absent or unable to act; if a vacancy occurs in the office of chairman, the vice-chairman shall replace the chairman until a successor is appointed.
Two members of the council may require that the chairman, the vice-chairman or, in their absence, the secretary-treasurer call a special meeting of the council. The special meeting must be held within 10 days after the requisition is received.