Fla. Stat. § 618.17
The association and its members may make and execute marketing contracts requiring the members to sell, for any period of time, all or any specified part of their agricultural products or specified commodities exclusively to or through the association or any agencies designated by the association. The contracts may provide that the association may sell or resell the products of its members with or without taking title thereto; and pay to its members the resale price, after deducting all necessary selling, overhead and other costs and expenses, including interest or dividends on stock, not exceeding 8 percent per annum, and reserves for retiring the stock, if any; and other proper reserves; and any other proper deductions.
Fla. Stat. § 618.17