Any person of eighteen years, who has continuously resided with a local union for the space of two years, there acquires his domicile. Learn why filing a declaration of domicile is crucial for establishing legal residency and accessing benefits.In this article, we'll explain how to prove US domicile as part of your Affidavit of Support so you can successfully sponsor a family member for a green card. 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. Domicile is intended to be permanent rather than temporary, whereas residence means living in a particular locality and requires mere physical presence. The result is a headquarters for the team and a domicile for Steven, who despite being partGem, needs to eat and sleep. An affidavit of domicile is a sworn statement signed before a notary public establishing the legal domicile of someone who has died. Domicile is primarily a state of mind that a certain place is your permanent home. You must establish a domicile in Texas to be classified as a Texas resident or be eligible for in-state tuition.