Select the applicable "Method of Repossession" and attach any required documentation, if applicable. This completed form must be submitted to a county tax.1. Enter the lienholder's name and address. Edit, sign, and share repossession paperwork online. No need to install software, just go to DocHub, and sign up instantly and for free. Edit, sign, and share affidavit of repossession texas online. This page will provide an overview of Texas's Repossession Laws and what you should know if you've fallen behind on car payments. To fill out the form, first gather all necessary documents related to the repossession. Tax Assessor-Collector. Physical Address Vista Verde Plaza Building 233 N. Pecos La Trinidad San Antonio, TX 78207.