Florida constitution
Article VII: "finance and taxation"
Section 3

(g) By general law and subject to the conditions specified therein, each person who receives a homestead exemption as provided in section 6 of this article; who was a member of the United States military or military reserves, the United States Coast Guard or its reserves, or the Florida National Guard; and who was deployed during the preceding calendar year on active duty outside the continental United States, Alaska, or Hawaii in support of military operations designated by the legislature shall receive an additional exemption equal to a percentage of the taxable value of his or her homestead property. The applicable percentage shall be calculated as the number of days during the preceding calendar year the person was deployed on active duty outside the continental United States, Alaska, or Hawaii in support of military operations designated by the legislature divided by the number of days in that year.