Fla. Stat. § 129.07
The board of county commissioners may not expend or enter into a contract requiring expenditures in any fiscal year for more than the amount of appropriations in each fund's budget, except as provided herein, and the total appropriations of any budget may not be exceeded, except as provided in s. 129.06. Any indebtedness contracted for any purpose against either of the funds enumerated in this chapter or for any purpose, which is chargeable to either of the funds, is null and void, and no suit may be prosecuted in any court in this state for the collection of such indebtedness. The members of the board of county commissioners voting and contracting for such indebtedness are liable for any excess indebtedness contracted for.
Fla. Stat. § 129.07