Iowa Code § 707.3: Murder in the second degree.

1. A person commits murder in the second degree when the person commits murder which is not murder in the first degree.

2. Murder in the second degree is a class “B” felony. However, notwithstanding section 902.9, subsection 1, paragraph “b”, the maximum sentence for a person convicted under this section shall be a period of confinement of not more than fifty years.

3. For purposes of determining whether a person should register as a sex offender pursuant to the provisions of chapter 692A, the fact finder shall make a determination as provided in section 692A.126.