Fla. Stat. § 624.075
Every foreign or alien insurer which is authorized to do business in this state and which, during its 3 preceding fiscal years taken together, or during any lesser period of time if it has been licensed to transact its business in this state only for the lesser period of time, has written an average of 25 percent or more direct premiums in this state than it has written in its state of domicile during the same period, and the direct premiums written constitute more than 55 percent of its total direct premiums written everywhere in the United States during its 3 preceding fiscal years taken together, or during any lesser period of time if it has been authorized to transact its business in this state only for the lesser period of time, as reported in its most recent applicable annual or quarterly statements, shall be deemed a "commercially domiciled insurer" within this state.
Fla. Stat. § 624.075