In addition to any other method of refunding irrigation district bonds authorized by law, bonds heretofore or hereafter issued by any irrigation district in this state may be refunded in whole or in part in the manner hereinafter provided.

Validation—1933 ex.s. c 11: "Any and all proceedings heretofore had and any and all bonds heretofore authorized and issued to redeem or to refund unmatured bonds under the provisions of chapter 161, Laws of 1923, as amended by chapter 259, Laws of 1927, but without the unanimous consent of the holders of unmatured bonds to be refunded, are hereby validated and confirmed." [ 1933 ex.s. c 11 § 4.]