Versions of Iowa Code 321.457 - Maximum length on LawServer 2024 Iowa Code 321.457 – Maximum length 2023 Iowa Code 321.457 – Maximum length 2022 Iowa Code 321.457 – Maximum length 2020 Iowa Code 321.457 – Maximum length 2018 Iowa Code 321.457 – Maximum length 2016 Iowa Code 321.457 – Maximum length 2014 Iowa Code 321.457 – Maximum length. 2009 Iowa Code 321.457 – Maximum length