Versions of Iowa Code 558.20 - Acknowledgments on LawServer 2024 Iowa Code 558.20 – Acknowledgments 2023 Iowa Code 558.20 – Acknowledgments 2022 Iowa Code 558.20 – Acknowledgments 2020 Iowa Code 558.20 – Acknowledgments 2018 Iowa Code 558.20 – Acknowledgments 2016 Iowa Code 558.20 – Acknowledgments 2014 Iowa Code 558.20 – Acknowledgments. 2009 Iowa Code 558.20 – Acknowledgments