Iowa Code § 626.26
Property of the defendant in the possession of another, or debts due the defendant, may be reached by garnishment.
Garnishment, chapter 642
[R60, §3270; C73, §3051; C97, §3975; C24, 27, 31, 35, 39, §11677; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §626.26]