Iowa Code § 704.3
Title XVI Criminal Law and Procedure
Subtitle 1 Crime Control and Criminal Acts
Chapter 704 Force — Reasonable or Deadly — Defenses
704.3 Defense of self or another.
A person is justified in the use of reasonable force when the person reasonably believes that such force is necessary to defend oneself or another from any actual or imminent use of unlawful force.
(NOTE: This statute was modified to insert the words “actual or,” effective 7/1/17.)