Versions of Iowa Code 321.31 - Records system on LawServer 2023 Iowa Code 321.31 – Records system 2022 Iowa Code 321.31 – Records system 2020 Iowa Code 321.31 – Records system 2018 Iowa Code 321.31 – Records system 2016 Iowa Code 321.31 – Records system 2014 Iowa Code 321.31 – Records system. 2009 Iowa Code 321.31 – Records system