Versions of Iowa Code 717.6 - Rulemaking on LawServer 2023 Iowa Code 717.6 – Rulemaking 2022 Iowa Code 717.6 – Rulemaking 2020 Iowa Code 717.6 – Rulemaking 2018 Iowa Code 717.6 – Rulemaking 2016 Iowa Code 717.6 – Rulemaking 2014 Iowa Code 717.6 – Rulemaking.