Select the applicable "Method of Repossession" and attach any required documentation, if applicable. This completed form must be submitted to a county tax.In order to repossess a vehicle from the Dallas Police Automobile Pound, the lien holder must: 1. Hold a valid and existing lien on the vehicle;. 2. This document affects your legal rights and may give others access to you motor vehicle. Learn more about Texas' repossession laws, what Texas repo agents can and cannot do, and what happens after the car is taken away. This document is a specific power of attorney granting a towing company the authority to retrieve a vehicle on behalf of a lien holder. To fill out the form, first gather all necessary documents related to the repossession.