Purpose: To request domicile verification from a nonrelative who is familiar with the household's situation. 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.How Do I Fill Out an Affidavit of Domicile? There's an application for title that you'll need to fill out as well called Form 130U. Affidavit of Domicile is a form in our office for people to sign before a notary claiming Texas to be your home. We file the form with the court. Use our Affidavit of Residency form to verify your home address for official purposes. One of the documents must verify that the individual has lived in Texas for at least 30 days. Filing the form in a timely manner is crucial in affirming your new domicile for tax purposes. 8. Update your address with relevant entities.