Versions of Iowa Code 539.5 - Priority on LawServer 2024 Iowa Code 539.5 – Priority 2023 Iowa Code 539.5 – Priority 2022 Iowa Code 539.5 – Priority 2020 Iowa Code 539.5 – Priority 2018 Iowa Code 539.5 – Priority 2016 Iowa Code 539.5 – Priority 2014 Iowa Code 539.5 – Priority. 2009 Iowa Code 539.5 – Priority