Login to the DR Portal and select "File a New Arbitration Claim" in the left column. Click the red button that reads "File a New Arbitration Claim.Arbitration is similar to going to court, but faster, cheaper and less complex than litigation. If the case settles, an arbitration will last around one year. Pro Se: Refers to persons who present their own cases in court without a lawyer; from the Latin for "on one's own behalf. The American Arbitration Association® ("AAA®," "the Association") applies the Consumer Arbitration Rules ("Rules") to arbitration clauses in agreements. The parties file a written consent form that submits the case to binding arbitration. ONLINE PROPERTY TAX ARBITRATION SYSTEM - AVAILABLE NOW Visit Texas. For Plaintiff: 120 days after filing suit. For all other parties: 120 day after service.