Versions of Iowa Code 159.6A - Contributions on LawServer 2024 Iowa Code 159.6A – Contributions 2023 Iowa Code 159.6A – Contributions 2022 Iowa Code 159.6A – Contributions 2020 Iowa Code 159.6A – Contributions 2018 Iowa Code 159.6A – Contributions 2016 Iowa Code 159.6A – Contributions 2014 Iowa Code 159.6A – Contributions. 2009 Iowa Code 159.6A – Contributions