42 Pa.C.S. § 7380 – Party participation

(a) Representation.— A party may:
1. (1) be represented in an arbitration by counsel;
2. (2) be accompanied by an individual who will not be called as a witness or act as an advocate; and
3. (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.