The statement must be signed by the veterinarian administering the medication and must be filed with a representative of the management of the horse show or sale within 1 hour after administration, or within 1 hour after such representative returns to duty, if administration is made at a time other than during show or sale hours. The statement must be signed by such representative, who must also record the time of receipt on the statement.
Fla. Stat. § 535.11