Versions of Iowa Code 258.1 - Federal Act accepted on LawServer 2023 Iowa Code 258.1 – Federal Act accepted 2022 Iowa Code 258.1 – Federal Act accepted 2020 Iowa Code 258.1 – Federal Act accepted 2018 Iowa Code 258.1 – Federal Act accepted 2016 Iowa Code 258.1 – Federal Act accepted 2014 Iowa Code 258.1 – Federal Act accepted. 2009 Iowa Code 258.1 – Federal Act accepted