Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits.A residence is a place of some permanency, while a domicile is a true, fixed permanent home to which an individual intends to return after an absence. Residency is where one chooses to live. Domicile is more permanent and is essentially somebody's home base. In law, domicile is the status or attribution of being a lawful permanent resident in a particular jurisdiction. What form do I fill out? Resident student who feels he or she has satisfied the residency requirements may complete the "Residence Questionnaire Form". Basically the terms "domicile" and "legal residence" refer to the same place – the state you consider your permanent home.