Iowa Code § 138.19

Any person failing to comply with any provision of this chapter, or with any rule or order issued pursuant to the provisions of this chapter, or interfering with, impeding, or obstructing in any manner, the director, department, or any of its employees in the performance of official duties pursuant to this chapter, shall be guilty of a simple misdemeanor. If any person further fails to comply with any provisions of this chapter, or with any rule or order issued pursuant to the provisions of this chapter, the director shall enforce such provision, rule, or order by filing an action for injunction against such person in the district court in the county wherein such violation or violations occur.