Iowa Code § 354.20: Action to annul plats.

If a plat is filed and recorded in violation of this chapter, a governing body or a proprietor aggrieved by the violation, after filing written notice with the proprietors who joined in the acknowledgment of the plat or their successors in interest, may institute a suit in equity in the district court. The court may order the plat annulled except as provided in section 354.21.