Versions of Iowa Code 15.312 - Purpose on LawServer 2024 Iowa Code 15.312 – Purpose 2023 Iowa Code 15.312 – Purpose 2022 Iowa Code 15.312 – Purpose 2020 Iowa Code 15.312 – Purpose 2018 Iowa Code 15.312 – Purpose 2016 Iowa Code 15.312 – Purpose 2014 Iowa Code 15.312 – Purpose. 2009 Iowa Code 15.312 – Purpose