Iowa Code Title II. Elections and Official Duties [Chs. 39-79] § 57.7. Contest court for contest of public measure

The court for the trial of a contested election on a public measure shall consist of one person designated by the petitioners who are contesting the election, who shall be designated in writing by the petitioners at the time the contest is filed, one person designated by the county commissioner of elections to represent the interests adverse to those of the petitioners, and a third person who shall be chosen jointly by the designees of the petitioners and of the commissioner. If the persons selected by the petitioners and the county commissioner of elections cannot agree on a third person, the chief judge of the judicial district in which the contest is filed shall appoint a third person to serve.