Versions of Iowa Code 518.31 - Rulemaking on LawServer 2024 Iowa Code 518.31 – Rulemaking 2023 Iowa Code 518.31 – Rulemaking 2022 Iowa Code 518.31 – Rulemaking 2020 Iowa Code 518.31 – Rulemaking 2018 Iowa Code 518.31 – Rulemaking 2016 Iowa Code 518.31 – Rulemaking 2014 Iowa Code 518.31 – Rulemaking. 2009 Iowa Code 518.31 – Rulemaking
