100.2. The arbitrator shall proceed with all dispatch with the inquiry into the grievance and, unless otherwise provided in the collective agreement, in accordance with such procedure and mode of proof as he deems appropriate.
For such purpose, he may, exofficio, call the parties to proceed with the hearing of the grievance.
For the purposes set out in section 136, the arbitrator may also hold a pre-hearing conference prior to the hearing of the grievance.
1977, c. 41, s. 48; 1983, c. 22, s. 65; 2001, c. 26, s. 49.