Versions of Iowa Code 622B.4 - List on LawServer 2024 Iowa Code 622B.4 – List 2023 Iowa Code 622B.4 – List 2022 Iowa Code 622B.4 – List 2020 Iowa Code 622B.4 – List 2018 Iowa Code 622B.4 – List 2016 Iowa Code 622B.4 – List 2014 Iowa Code 622B.4 – List. 2009 Iowa Code 622B.4 – List