200A.13  Violations.
  1.  A person violating a provision of this chapter is guilty of a simple misdemeanor.
  2.  a.  If, after a departmental investigation, it appears that a person is in violation of this chapter, the department shall notify the person of the violation and provide the person with an opportunity to be heard under rules adopted by the department consistent with chapter 17A contested case proceedings.
  b.  If, after a hearing, the department determines that a violation has occurred, the department may report the violation to the appropriate county attorney for prosecution. The report shall include a certified copy of evidence presented during the hearing. This section does not require the department to report a minor violation for prosecution if the department concludes that the public interest will be best served by a suitable written warning.
  c.  A county attorney who receives a report of a violation from the department shall institute and prosecute the case in district court without delay.
98 Acts, ch 1145, §13