Versions of Iowa Code 17A.18 - Licenses on LawServer 2023 Iowa Code 17A.18 – Licenses 2022 Iowa Code 17A.18 – Licenses 2020 Iowa Code 17A.18 – Licenses 2018 Iowa Code 17A.18 – Licenses 2016 Iowa Code 17A.18 – Licenses 2014 Iowa Code 17A.18 – Licenses. 2009 Iowa Code 17A.18 – Licenses