A Declaration of Domicile proves residency in Broward County, Florida. It is often used to enroll children or college students in school.'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. I have been a bona fide resident of the State of Florida since the ____ day of. , _____. Date. Month. Year. 2. Have you ever heard of a "Declaration of Domicile? " A Declaration of Domicile is a legal document that helps establish Florida residency. This article digs into the intricacies of declaring a domicile (focusing on Florida, but the info provided is valid for just about every state) Domicile refers to the place you call home permanently.