Versions of Iowa Code 321.488 - Procedure not exclusive on LawServer 2023 Iowa Code 321.488 – Procedure not exclusive 2022 Iowa Code 321.488 – Procedure not exclusive 2020 Iowa Code 321.488 – Procedure not exclusive 2018 Iowa Code 321.488 – Procedure not exclusive 2016 Iowa Code 321.488 – Procedure not exclusive 2014 Iowa Code 321.488 – Procedure not exclusive. 2009 Iowa Code 321.488 – Procedure not exclusive