The notice of election shall specify the amount of money proposed to be transferred by the district and the purpose or purposes for which it is intended to be used, and it may state that the assessment shall be levied in two, three, four, or not to exceed five successive annual installments and specify the amount of the installment to be levied in each year and the maximum rate of interest to be charged, if any, not to exceed 6 percent.
Ca. Water Code § 75168.2