A Declaration of Domicile proves residency in Broward County, Florida. It is often used to enroll children or college students in school.COMPLETING THE FORM: Line (1). Fill in your current address. Next, provide your previous address and any other residence locations. Current proof of Broward County residence (domicile). Proof of address is current when it has not expired (e.g. A Declaration of Domicile is a legal document that identifies your principal home in Florida, with tax and asset protection benefits. It is easy to register your child in a Broward County Public School. Parents who want to enroll their children, please contact the school directly.