2024 Iowa Code 642.21 – Exemption from net earnings

2023 Iowa Code 642.21 – Exemption from net earnings

2022 Iowa Code 642.21 – Exemption from net earnings

2020 Iowa Code 642.21 – Exemption from net earnings

2018 Iowa Code 642.21 – Exemption from net earnings

2016 Iowa Code 642.21 – Exemption from net earnings

2014 Iowa Code 642.21 – Exemption from net earnings.

2009 Iowa Code 642.21 – Exemption from net earnings