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 form must be filed with the county appraisal district that appraised the property for which arbitration is requested. Instructions for Completing the Texas Civil Case Information Sheet. 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). You must complete the "Claimant" and "Respondent" portions on the front of a Submission Agreement. In the blank spaces provided for the claimants' names, you.