2023 Iowa Code 17A.4 – Procedure for adoption of rules

2022 Iowa Code 17A.4 – Procedure for adoption of rules

2020 Iowa Code 17A.4 – Procedure for adoption of rules

2018 Iowa Code 17A.4 – Procedure for adoption of rules

2016 Iowa Code 17A.4 – Procedure for adoption of rules

2014 Iowa Code 17A.4 – Procedure for adoption of rules.

2009 Iowa Code 17A.4 – Procedure for adoption of rules