Iowa Code Title V. Agriculture [Chs. 159-215A] § 214A.11. Penalties

a. Except as provided in paragraph “b”, the state is precluded from prosecuting a violation pursuant to subsection 1 if the state is a party in the alternative civil enforcement action, the department has made a final decision in the contested case proceeding, or a court has entered a final judgment.

b. If a party to an alternative civil enforcement action fails to pay the civil penalty to the department within thirty days after the party has exhausted the party's administrative remedies and the party has not sought judicial review in accordance with section 17A.19, the department may order that its final decision be vacated. When the department's final decision is vacated, the state may initiate a criminal prosecution, but shall be precluded from bringing an alternative civil enforcement action. If a party to an alternative civil enforcement action fails to pay the civil penalty within thirty days after a court has entered a final judgment, the department may request that the attorney general petition the court to vacate its final judgment. When the court's judgment has been vacated, the state may initiate a criminal prosecution, but shall be precluded from bringing an alternative civil enforcement action.