Iowa J.I. Crim. § 400.7 (2018)
Iowa Criminal Jury Instructions
CHAPTER 400 JUSTIFICATION
400.7 Reasonable Belief
Concerning element number _____ of Instruction No. _____, the defendant was not required to act with perfect judgment. However, [he] [she] was required to act with the care and caution a reasonable person would have used under the circumstances which existed at that time.
If in the defendant’s mind the [danger] [danger of loss of property] [need to use force to prevent (name of forcible felony)] was actual, real, imminent or unavoidable, even though it did not exist, that is sufficient if a reasonable person would have seen it in the same light.