624A.2  Cause of action or defense — necessity.
  The judgment shall not be vacated on motion or petition until it is adjudged there is a cause of action or defense to the action in which the judgment is rendered.
[R60, §3503; C73, §3159; C97, §4096; C24, 27, 31, 35, 39, §12796; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §683.2]
C93, §624A.2