Fla. Stat. § 101.545

All ballots, forms, and other election materials shall be retained in the custody of the supervisor of elections for a minimum of 22 months after an election and in accordance with the schedule approved by the Division of Library and Information Services of the Department of State. All unused ballots, forms, and other election materials may, with the approval of the Department of State, be destroyed by the supervisor after the election for which such ballots, forms, or other election materials were to be used.