Versions of Iowa Code 622.3 - Interest on LawServer 2024 Iowa Code 622.3 – Interest 2023 Iowa Code 622.3 – Interest 2022 Iowa Code 622.3 – Interest 2020 Iowa Code 622.3 – Interest 2018 Iowa Code 622.3 – Interest 2016 Iowa Code 622.3 – Interest 2014 Iowa Code 622.3 – Interest. 2009 Iowa Code 622.3 – Interest