37 Fla. Stat. §641.51(4)

(4) The organization shall ensure that only a physician holding an active, unencumbered license issued under chapter 458 or chapter 459 may render an adverse determination regarding a service provided by a physician licensed in this state. The organization shall submit to the treating provider and the subscriber written notification regarding the organization’s adverse determination within 2 working days after the subscriber or provider is notified of the adverse determination. The written notification must include the utilization review criteria or benefits provisions used in the adverse determination, identify the physician who rendered the adverse determination, and be signed by an authorized representative of the organization or the physician who rendered the adverse determination. The organization must include with the notification of an adverse determination