624.7  Exception.
  If the action challenges the legality, validity, or constitutionality of a proposed constitutional amendment, the cause shall be tried within three days after the issues are made up.
[C31, 35, §11436-d1; C39, §11436.1; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §624.7]