Iowa Code § 814.25
The jurisdiction of the appellate court shall cease when procedendo is issued. All proceedings for executing the judgment shall be had in the district court or by its clerk.
[C51, §3101, 3102; R60, §4929, 4930; C73, §4542, 4543; C97, §5466; C24, 27, 31, 35, 39, §14016; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, §793.24; C79, 81, §814.25] 85 Acts, ch 157, §8