Any bonds issued under the terms of this act shall mature serially or otherwise within a maximum period of forty (40) years from the date of issue and shall bear interest at a rate not to exceed the maximum rate of interest prescribed by Kan. Stat. Ann. §§ 10-1009 and the provisions of Kan. Stat. Ann. § 10-112 and Kan. Stat. Ann. § 10-113 shall not apply to this act.