Iowa Code § 643.2
The action shall be by ordinary proceedings, but there shall be no joinder of any cause of action not of the same kind, nor shall there be allowed any counterclaim.
[R60, §4175; C73, §3226; C97, §4164; C24, 27, 31, 35, 39, §12178; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §643.2]