(i) Petition to Appoint Arbitrator;. (ii) Petition to Appoint A Receiver;.The arbitration of claims can take several different forms in Pennsylvania, but can be generally categorized as either compulsory judicial arbitration. (G)Deadline for Filing Arbitration Motions. The Arbitrator(s) shall give all other parties the opportunity to respond to the petition to reopen the record. C13. In the recent case DiDonato v. The Unified Judicial System provides forms for citizens, the judiciary and law enforcement. Petition to Compel Arbitration. PTCAW. Supplemental Brief in.