Versions of Iowa Code 452A.18 - Refund permit on LawServer 2024 Iowa Code 452A.18 – Refund permit 2023 Iowa Code 452A.18 – Refund permit 2022 Iowa Code 452A.18 – Refund permit 2020 Iowa Code 452A.18 – Refund permit 2018 Iowa Code 452A.18 – Refund permit 2016 Iowa Code 452A.18 – Refund permit 2014 Iowa Code 452A.18 – Refund permit. 2009 Iowa Code 452A.18 – Refund permit