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. Sign a Declaration of Domicile before a notary public.This formally declares your intent that Texas is your domicile. Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. Domicile is an important legal concept because it establishes where a person has certain legal rights and obligations. A Texas divorce suit Our domicile, or our state of legal residence, dictates our rights and obligations with regard to a specific jurisdiction. 1. Establish a domicile in Texas. The easiest way to establish a domicile is to own or rent a home somewhere within the state.