Fla. Stat. § 501.624
§ 501.624. Exempt businesses; burden of proof
In any civil proceeding alleging a violation of the provisions of this part, the burden of proving an
exemption specified in s. 501.604 or that such person or entity is not otherwise subject to the provisions of
this part is upon the person or entity claiming the exemption. In any criminal proceeding alleging a violation
of the provisions of this part, the burden of producing evidence to support a defense based upon an exemption
specified in s. 501.604 or that such person or entity is not subject to the provisions of this part is upon
the person or entity claiming the defense.