There are several steps that you should take in order to legally establish a new domicile. 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.Most states will consider you a resident for tax purposes if you spend 183 days or more in that state. In order to establish a new domicile, you should first establish a permanent residence in your new home state of Florida. Use our Affidavit of Domicile form to verify the last home address of a deceased person to speed up the inheritance process. File a Declaration of Domicile. In some states, like Florida, it is possible to file a declaration of domicile with the town clerk. Complete a Declaration of Domicile Form – This is a county specific form, that declares your intention to become a Florida resident. Domicile to and have been a bona fide resident of the State of Florida since the____day of________,_____.