Versions of Iowa Code 138.9 - Liberal rules to prevail on LawServer 2023 Iowa Code 138.9 – Liberal rules to prevail 2022 Iowa Code 138.9 – Liberal rules to prevail 2020 Iowa Code 138.9 – Liberal rules to prevail 2018 Iowa Code 138.9 – Liberal rules to prevail 2016 Iowa Code 138.9 – Liberal rules to prevail 2014 Iowa Code 138.9 – Liberal rules to prevail. 2009 Iowa Code 138.9 – Liberal rules to prevail