Iowa R. Civ. P. 1.210
As amended through September 9, 2024
An action of a minor or any person adjudged incompetent shall be brought by the person's conservator if there is one or, if not, by the person's guardian if there is one; otherwise the minor may sue by a next friend, and the incompetent by a conservator or guardian appointed by the court for that purpose. If it is in the person's best interest, the court may dismiss such action or substitute another conservator, guardian or next friend.
Iowa. R. Civ. P. 1.210