The parties shall have the right to attend and participate in the arbitration hearing at their own expense. It shall be discretionary with the arbitrators whether to allow the attendance of any persons who are not parties, witnesses, or counsel to one of the parties.
At the discretion of the arbitrators, a party may be permitted to appear or present witness testimony at the hearing by telephone conference call, video conference, computer-facilitated conference, or similar telecommunications equipment, provided all persons participating in the hearing can simultaneously hear each other during the hearing.