All parties must agree to arbitration and complete and sign DWC Form044, Election to Engage in Arbitration. There is a deadline.ONLINE PROPERTY TAX ARBITRATION SYSTEM - AVAILABLE NOW Visit Texas. Seamlessly file a case online with AAA using an online demand form, an arbitration agreement and the filing fee. This template is an original petition for use in a Texas state court to confirm a contractual arbitration award under the Texas Arbitration Act (TAA). If you signed a contract that contains an arbitration clause, a lawsuit filed against you in civil court can come out of left field.