K.S.A. 24-643

All acts of the officials of such districts in respect to the issuance of any and all unpaid bonds and interest thereon by any such drainage district for which such districts received value are hereby legalized, approved and validated and such unpaid bonds and interest thereon shall constitute the legal obligations of such drainage districts, if issued in substantial compliance with the laws relating thereto as printed in the statute book at the time of their issuance.