Versions of Iowa Code 423.2 - Tax imposed on LawServer 2024 Iowa Code 423.2 – Tax imposed 2023 Iowa Code 423.2 – Tax imposed 2022 Iowa Code 423.2 – Tax imposed 2020 Iowa Code 423.2 – Tax imposed 2018 Iowa Code 423.2 – Tax imposed 2016 Iowa Code 423.2 – Tax imposed 2014 Iowa Code 423.2 – Tax imposed. 2009 Iowa Code 423.2 – Tax imposed