Both documents must contain the individual's name and residential address. Mail the form directly to the nonrelative.Include a self-addressed, stamped envelope. To establish a new domicile, you need 1) a physical presence, and 2) a truthful, concurrent, intent of making the new state your permanent place of abode. Make sure both documents show the same name and address. Visit a County Clerk's Office: Take your inspection document, proof of insurance, and ownership papers. Interested in establishing your domicile in Texas? Take a look at the steps below to understand what tasks and forms should be completed. To fill out the Texas Residency Affidavit, you'll need someone who lives at the same address as you. My state DMV provides a list of acceptable proof of residency documents.