Party participation. (a)  Representation.-- A party may: (1)  be represented in an arbitration by counsel; (2)  be accompanied by an individual who will not be called as a witness or act as an advocate;

§ 7380.  Party participation. (a)  Representation.-- A party may: (1)  be represented in an arbitration by counsel; (2)  be accompanied by an individual who will not be called as a witness or act as an advocate; and (3)  participate in the arbitration to the full extent permitted under sections 7321.16 (relating to arbitration process) and 7383 (relating to powers and duties of arbitrator). (b)  Ex-parte communications.-- A party or representative of a party may not communicate ex parte with the arbitrator except to the extent allowed in a family law proceeding for communication with a judge.