Versions of Iowa Code 521.8 - Authorization on LawServer 2024 Iowa Code 521.8 – Authorization 2023 Iowa Code 521.8 – Authorization 2022 Iowa Code 521.8 – Authorization 2020 Iowa Code 521.8 – Authorization 2018 Iowa Code 521.8 – Authorization 2016 Iowa Code 521.8 – Authorization 2014 Iowa Code 521.8 – Authorization. 2009 Iowa Code 521.8 – Authorization