Versions of Iowa Code 101.22A - Exemption on LawServer 2024 Iowa Code 101.22A – Exemption 2023 Iowa Code 101.22A – Exemption 2022 Iowa Code 101.22A – Exemption 2020 Iowa Code 101.22A – Exemption 2018 Iowa Code 101.22A – Exemption 2016 Iowa Code 101.22A – Exemption 2014 Iowa Code 101.22A – Exemption. 2009 Iowa Code 101.22A – Exemption