Purpose: To request domicile verification from a nonrelative who is familiar with the household's situation. These documents will show that the person has resided in the state of Texas for at least 12 consecutive months prior to their enrollment at UTSA.If you want to sponsor someone for a family-based green card, you need to provide proof of a U.S. domicile in your Affidavit of Support (Form I-864). Acceptable proof of residency may include documents such as property deeds, lease agreements, utility bills, or employment statements. Take your inspection document, proof of insurance, and ownership papers. To verify Texas residency, an individual must present two printed documents from the list below. You must submit at least one document demonstrating that you have established domicile, and three different documents that show physical presence.