2023 Iowa Code 89.4 – Exemptions

2022 Iowa Code 89.4 – Exemptions

2020 Iowa Code 89.4 – Exemptions

2018 Iowa Code 89.4 – Exemptions

2016 Iowa Code 89.4 – Exemptions

2014 Iowa Code 89.4 – Exemptions.

2009 Iowa Code 89.4 – Exemptions