Domicile is the home where a person intends to remain permanently, or for an indefinite length of time. Correct interpretation and application of North Carolina laws that regulate residency decisions.An individual who moves their domicile (legal residence) into or out of North Carolina during the tax year is a part-year resident. Where someone is domiciled is an import question with respect to service of process. Completing the Residency Determination Services application establishes if a student should have in-state or out-of-state tuition. (a) Only One Domicile. Synonyms for DOMICILE: residence, abode, dwelling, house, roof, lodging, home, residency; Antonyms of DOMICILE: eject, evict.