'Domicile' generally refers to where you live – your residence that you intend to keep for the foreseeable future. A Declaration of Domicile is a legal document that identifies your principal home in Florida, with tax and asset protection benefits.It means your permanent home, i.c. , any place where you have lived and, while you are absent from it, you intend to return. Filing a Declaration of Domicile is the first step, which is a simple statement made at the Clerk of the Court in the county where you reside. Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. Being domiciled in Florida means that you have established the state as your permanent legal residence. Domicile for estate tax purposes means the place where a person has his or her permanent home.