Whenever any delinquency certificate has been assigned, as hereinbefore provided, and the time for redemption has expired and there are outstanding, against the property covered by said certificate, any delinquent installments subsequent in time to the installment for which the property was sold, then the treasurer shall issue to the district a delinquency certificate for such past due installments in the same manner, as hereinbefore provided, and shall cancel the previous delinquency certificate and the same shall be of no further force and effect. Such delinquency certificate for subsequent installments may be assigned in the same manner, as hereinbefore provided, and have the same force and effect.
Idaho Code § 43-2538