2023 Iowa Code 124.203 – Substances listed in schedule I — criteria

2022 Iowa Code 124.203 – Substances listed in schedule I — criteria.

2020 Iowa Code 124.203 – Substances listed in schedule I — criteria.

2018 Iowa Code 124.203 – Substances listed in schedule I — criteria.

2016 Iowa Code 124.203 – Substances listed in schedule I

2014 Iowa Code 124.203 – Substances listed in schedule I – criteria.

2009 Iowa Code 124.203 – Substances listed in schedule I — criteria