161.0.5.The vice-chairman responsible for matters relating to the Pay Equity Act (chapter E-12.001) and one commissioner constitute the quorum at sittings held under this division. In the case of a tie vote, the vice-chairman has a casting vote. The vice-chairman or a commissioner designated by the vice-chairman may, sitting alone, exercise the powers conferred on the Commission under Division I of Chapter VI of the Pay Equity Act.