California Code, Water Code - WAT § 55531

District or zone bonds may be made payable on July 1st subsequent to the time fixed for the collection of the second installment of general district taxes with which the first levy of taxes for the payment of the principal or interest of the bonds is to be collected. In such event, the first interest coupons shall be for interest from the date of the bonds of such issue or series to January 1st next prior thereto.