Versions of Iowa Code 321.224 - Record kept on LawServer 2023 Iowa Code 321.224 – Record kept 2022 Iowa Code 321.224 – Record kept 2020 Iowa Code 321.224 – Record kept 2018 Iowa Code 321.224 – Record kept 2016 Iowa Code 321.224 – Record kept 2014 Iowa Code 321.224 – Record kept. 2009 Iowa Code 321.224 – Record kept