Marginal note:Absence, etc., of Chairperson
18 If the Chairperson is absent or incapacitated or if the office of Chairperson is vacant, the Board may designate any director appointed under section 11 to exercise the powers and perform the duties and functions of the Chairperson during the absence, incapacity or vacancy, but no director may be so designated for a period exceeding ninety days without the approval of the Governor in Council.