Versions of Iowa Code 428A.9 - Refund of tax on LawServer 2024 Iowa Code 428A.9 – Refund of tax 2023 Iowa Code 428A.9 – Refund of tax 2022 Iowa Code 428A.9 – Refund of tax 2020 Iowa Code 428A.9 – Refund of tax 2018 Iowa Code 428A.9 – Refund of tax 2016 Iowa Code 428A.9 – Refund of tax 2014 Iowa Code 428A.9 – Refund of tax. 2009 Iowa Code 428A.9 – Refund of tax