Versions of Iowa Code 384.1 - Taxes certified on LawServer 2024 Iowa Code 384.1 – Taxes certified 2023 Iowa Code 384.1 – Taxes certified 2022 Iowa Code 384.1 – Taxes certified 2020 Iowa Code 384.1 – Taxes certified 2018 Iowa Code 384.1 – Taxes certified 2016 Iowa Code 384.1 – Taxes certified 2014 Iowa Code 384.1 – Taxes certified. 2009 Iowa Code 384.1 – Taxes certified