Fla. Stat. § 342.04
Any county or incorporated city or town in the state desiring to carry on all or any part of the work mentioned in s. 342.03 may issue and sell time warrants not to exceed in amount the sum of $15,000 for any county or the sum of $5,000 for any incorporated city or town, except that time warrants shall not exceed 50 percent of the estimated revenue to be derived from the tax to be levied by virtue of s. 342.03. Such time warrants shall not be sold for less than their par value and shall not draw a rate of interest in excess of 6 percent per year. When such time warrants shall come within the purview of s. 12, Art. VII of the State Constitution, the said time warrants shall be issued only after the same shall have been approved by the majority of the votes cast in an election in which a majority of the owners of freeholds not wholly exempt from taxation who are qualified electors residing in such county or city or town shall participate, which said election shall be called and held, and the result thereof declared and recorded, in the manner prescribed by ss. 100.201 - 100.221, 100.241, 100.261 - 100.341, 100.351, and said election shall be subject to all the provisions of said chapter.
Fla. Stat. § 342.04