The arbitration of claims can take several different forms in Pennsylvania, but can be generally categorized as either compulsory judicial arbitration. When Union reaches an impasse in collective bargaining with the County, the parties must submit their dispute to binding interest arbitration.Complete a W-9 form found in the Arbitration forms section on the Civil. Division'swebsite. 3. In the absence of a written agreement, there shall be no appeals of multiple unrelated grievances in the same demand for arbitration. Union posits that Arbitrator Lalka's conclusion that the sixmonth and oneyear wage increases should remain "as is," i.e. Employees who fill vacancies in the Division of Solid Waste shall work a Tuesday through Saturday schedule. 3.