Versions of Iowa Code 135B.2 - Purpose on LawServer 2024 Iowa Code 135B.2 – Purpose 2023 Iowa Code 135B.2 – Purpose 2022 Iowa Code 135B.2 – Purpose 2020 Iowa Code 135B.2 – Purpose 2018 Iowa Code 135B.2 – Purpose 2016 Iowa Code 135B.2 – Purpose 2014 Iowa Code 135B.2 – Purpose. 2009 Iowa Code 135B.2 – Purpose