Versions of Iowa Code 157.4 - Temporary permits on LawServer 2023 Iowa Code 157.4 – Temporary permits 2022 Iowa Code 157.4 – Temporary permits 2020 Iowa Code 157.4 – Temporary permits 2018 Iowa Code 157.4 – Temporary permits 2016 Iowa Code 157.4 – Temporary permits 2014 Iowa Code 157.4 – Temporary permits. 2009 Iowa Code 157.4 – Temporary permits