The arbitration of claims can take several different forms in Pennsylvania, but can be generally categorized as either compulsory judicial arbitration. In the event a grievance cannot be resolved, some labor contracts allow for arbitration to settle the grievance.Arbitration Supervisors. An agreement to arbitrate a controversy on a nonjudicial basis shall be conclusively presumed to be an agreement to arbitrate pursuant to Subchapter B. If you would like to participate in Mediation please fill out the Agreement to mediate form along with your Request for Arbitration paperwork. For additional information, please see our COVID-19 Safety Guidelines for Visitors to the American Arbitration Association Offices. The drafters of the RUAA attempted to fill in gaps in the UAA and bring state law into closer alignment with federal law. It may be filed only in a Pennsylvania magisterial district court and not in the Philadelphia Municipal Court. Cases must be filed in the Office of the Prothonotary. The Arbitration Judge will determine whether the arbitration is being conducted within the fair scope of any such agreement.