Versions of Iowa Code 422.13 - Return by individual on LawServer 2023 Iowa Code 422.13 – Return by individual 2022 Iowa Code 422.13 – Return by individual 2020 Iowa Code 422.13 – Return by individual 2018 Iowa Code 422.13 – Return by individual 2016 Iowa Code 422.13 – Return by individual 2014 Iowa Code 422.13 – Return by individual. 2009 Iowa Code 422.13 – Return by individual