2024 Iowa Code 459.508 – Departmental rules

2023 Iowa Code 459.508 – Departmental rules

2022 Iowa Code 459.508 – Departmental rules

2020 Iowa Code 459.508 – Departmental rules

2018 Iowa Code 459.508 – Departmental rules

2016 Iowa Code 459.508 – Departmental rules

2014 Iowa Code 459.508 – Departmental rules.

2009 Iowa Code 459.508 – Departmental rules