Versions of Iowa Code 427.1 - Exemptions on LawServer 2024 Iowa Code 427.1 – Exemptions 2023 Iowa Code 427.1 – Exemptions 2022 Iowa Code 427.1 – Exemptions 2020 Iowa Code 427.1 – Exemptions 2018 Iowa Code 427.1 – Exemptions 2016 Iowa Code 427.1 – Exemptions 2009 Iowa Code 427.1 – Exemptions