'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."State of legal residence" (SLR) and "domicile" mean the same thing, namely your true, fixed, and permanent abode. Your domicile is the state that you intend to make your permanent and primary home. There are significant benefits to establishing a domicile in Florida. In Florida, it is important to determine a person's domicile. Domicile determines which state can probate a will.