Sections 633.523, 633.524, and 633.526 shall not apply in the case of wills, living trusts, deeds, contracts of insurance, or other contracts wherein provision has been made for distribution of property different from the provisions of those sections.
Iowa Code § 633.527
2003 Acts, ch 95, §5
Referred to in §633.523, 633.528, 633A.4704