537A.3  Failure of consideration.
  The want or failure, in whole or in part, of the consideration of a written contract may be shown as a defense, total or partial, except as provided in the uniform commercial code, chapter 554.
[C51, §976; R60, §1825; C73, §2114; C97, §3070; C24, 27, 31, 35, 39, §9441; C46, 50, 54, 58, 62, 66, 71, 73, §537.3; C75, 77, 79, 81, §537A.3]