Section 602.6104 - Judicial officers1. The jurisdiction of the Iowa district court shall be exercised by district judges, district associate judges, associate juvenile judges, associate probate judges, and magistrates.2. Judicial officers of the district court shall not sit together in the trial of causes nor upon the hearings of motions for new trials. They may hold court in the same county at the same time.83 Acts, ch 186, §7104, 10201; 99 Acts, ch 93, §6