A party seeking grievance mediation must file a Petition for Grievance Mediation (OGM Petition). In order to begin the process, either party to a legal fee dispute may file a "Petition for Arbitration.Arbitration disputes are final and legally binding at MDRS, a Massachusetts Abritration and Mediation firm in Boston and Salem. We provide arbitration services to assist employers and employee representatives in resolving contractual disputes. Arbitration involves a private, neutral person (or persons, in some instances) make what usually amounts to a final decision on your case. Arbitration falls under the title of "alternative dispute resolution". Simply put, arbitration is another way to resolve a legal case or claim. A majority of states, including Massachusetts, have enacted a uniform legal framework for arbitration procedures embodied in the Uniform Arbitration Act (M. To initiate the Fee Arbitration Board (FAB) process, read the FAB Rules and then fill out the FAB Petition. These Mass Arbitration Procedures and Guidelines ("Procedures") are intended to facilitate the fair, expeditious and efficient resolution of Mass Arbitrations.