A Declaration of Domicile is a legal document that identifies your principal home in Florida, with tax and asset protection benefits. 'Domicile' generally refers to where you live – your residence that you intend to keep for the foreseeable future.Domicile is the place you intend to make your permanent home, the place to which you intend to return if you are temporarily residing in another state. When you fill out the form, you must provide certain documentation to prove you live here in the land of swamps and mosquitos. Domicile is a term of art meaning the permanent residence to which the taxpayer expects to return. Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. A Declaration of Domicile is a document you file with the court to show that you currently live in Florida and intend to remain living in Florida.