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.You must sign the Florida Declaration of Domicile must in front of a notary public or the deputy clerk of a Florida court. Create new estate planning documents that are consistent with Florida law. These documents include your will, trust, power of attorney, health care surrogate. File for Homestead, get a Florida Driver's license, change your voters registration and, perhaps, file a Declaration of Domicile.