2024 Iowa Code 124.501 – Responsibility for enforcement

2023 Iowa Code 124.501 – Responsibility for enforcement

2022 Iowa Code 124.501 – Responsibility for enforcement

2020 Iowa Code 124.501 – Responsibility for enforcement

2018 Iowa Code 124.501 – Responsibility for enforcement

2016 Iowa Code 124.501 – Responsibility for enforcement

2014 Iowa Code 124.501 – Responsibility for enforcement.

2009 Iowa Code 124.501 – Responsibility for enforcement