You have 30 days after receiving the IGO Case Report to file an Arbitration Demand Fonn. (Fonn 5) with the City's Law Department.Arbitration is a mandatory but non-binding informal hearing where a neutral arbitrator, or panel of arbitrators, is selected to hear the evidence in your case. Collective bargaining consists of negotiations between an employer and a group of employees that determine the conditions of employment. The Employer is proposing a three percent increase in wages each year over the three-year tenn of the parties' new contract, while the Union is proposing wage. OOo depending on the CPI-U. Either party involved in a workers' compensation dispute can appeal the IWCC panel decision through the Illinois court system. The arbitrator issued no ruling. Instead of completing the arbitration process it had begun, the. See also, Iris, "Police Discipline in Chicago: Arbitration or Arbitrary", 89 J. Cim.