Arbitration is a dispute resolution system. A. The Arbitrator is responsible for ruling on all pre-hearing motions, other than those listed in Rule 74(d)(1) of the Arizona Rules of Civil Procedure.As arbitrator, you are responsible for setup and coordination of all parties involved. Arbitration is the out-of-court submission of a dispute to an impartial third party or parties for a binding decision. Any type of dispute, claim or controversy arising out of business dealings with any FINRA brokerage firm1 can be resolved in mediation or arbitration. Arbitration is the most traditional form of private dispute resolution. Arbitration is a binding procedure. The arbitrator may hear and decide the controversy on the evidence produced although a party who was duly notified of the arbitration proceeding did not appear. States: Arizona, Colorado, Kansas, Idaho,. Montana, Nebraska, Nevada, New Mexico,.