321.229  Obedience to peace officers.
  No person shall willfully fail or refuse to comply with any lawful order or direction of any peace officer invested by law with authority to direct, control, or regulate traffic.
[S13, §1571-m18; C24, 27, 31, 35, §5064; C39, §5017.02; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.229]

For applicable scheduled fine, see §805.8A, subsection 14, paragraph a