California Code, Health and Safety Code - HSC § 52529.5

(a) With interest payments to be made less frequently than semi-annually, and an initial interest payment later than one year after the date of the bonds, if such interest payment date shall not be later than the maturity date of the bonds and is fixed to coincide, as nearly as the committee may deem to be practicable, with the dates and amounts of the estimated revenues estimated to accrue to the fund pursuant to this part.

(b) At less than the par value thereof if necessary to an effective sale, but the discount pursuant to this subdivision shall not exceed 6 percent of the par value thereof.