At the Main Courthouse or any of our branch offices. Where do I get forms?According to Florida Statutes §222.17, the Affidavit of Domicile must be filed with the clerk of the circuit court in the area where you intend to reside. 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. How do I prove my address in Palm Beach County? The choice of domicile carries with it various legal consequences. It often determines (i) jurisdiction to assess state income and death taxes. What Documents Can Prove Florida Residency?