47. The arbitrator is assisted by assessors unless the parties reach an agreement to the contrary within 15 days of the arbitrator’s appointment.
Within 15 days of the arbitrator’s appointment, each party designates an assessor to assist it. If a party does not designate an assessor within the prescribed time, the arbitrator may proceed in the absence of that party’s assessor.
The arbitrator may proceed in the absence of an assessor who does not attend after having been convened.