Versions of Iowa Code 321.125 - Effect of exemption on LawServer 2023 Iowa Code 321.125 – Effect of exemption 2022 Iowa Code 321.125 – Effect of exemption 2020 Iowa Code 321.125 – Effect of exemption 2018 Iowa Code 321.125 – Effect of exemption 2016 Iowa Code 321.125 – Effect of exemption 2014 Iowa Code 321.125 – Effect of exemption. 2009 Iowa Code 321.125 – Effect of exemption