Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits.An affidavit of domicile is a legal document that certifies the residence of a deceased person. Basically the terms "domicile" and "legal residence" refer to the same place – the state you consider your permanent home. The term residence for domicile purposes means that you must be actually living in the new country rather than just having a casual presence. "State of legal residence" (SLR) and "domicile" mean the same thing, namely your true, fixed, and permanent abode. A domicile is a homestead that an individual has established as a fixed and permanent home. Definition and Examples of a Domicile. The Key Takeaway: Rule 4 is to be Construed Broadly. This opinion makes it clear that where someone's usual abode or residence is should be construed broadly.