Iowa Code
Chapter 625 - COSTS
Section 625.21 - Interest.

625.21 Interest.
Except for an action brought pursuant to chapter 668, when the judgment is for the recovery of money, interest from the time of the verdict or report until judgment is finally entered shall be added to the costs of the party entitled to the costs.
[R60, §3466; C73, §2948; C97, §3868; C24, 27, 31, 35, 39, §11643; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §625.21]
87 Acts, ch 157, §4; 91 Acts, ch 116, §17
Interest on judgments, §535.3