Versions of Iowa Code 321J.18 - Other evidence on LawServer 2023 Iowa Code 321J.18 – Other evidence 2022 Iowa Code 321J.18 – Other evidence 2020 Iowa Code 321J.18 – Other evidence 2018 Iowa Code 321J.18 – Other evidence 2016 Iowa Code 321J.18 – Other evidence 2014 Iowa Code 321J.18 – Other evidence. 2009 Iowa Code 321J.18 – Other evidence