Versions of Iowa Code 157.3 - License requirements on LawServer 2023 Iowa Code 157.3 – License requirements 2022 Iowa Code 157.3 – License requirements 2020 Iowa Code 157.3 – License requirements 2018 Iowa Code 157.3 – License requirements 2016 Iowa Code 157.3 – License requirements 2014 Iowa Code 157.3 – License requirements. 2009 Iowa Code 157.3 – License requirements