13210. Ex Parte Communications

(a) Except as provided in Rule 13211, no party, or anyone acting on behalf of a party, may communicate with any arbitrator outside of a scheduled hearing or conference regarding an arbitration unless all parties or their representatives are present.

(b) No party, or anyone acting on behalf of a party, may send or give any written motion, request, submission or other materials directly to any arbitrator, unless the arbitrators and the parties agree, or the Code provides otherwise.