Versions of Iowa Code 331.302 - County legislation on LawServer 2023 Iowa Code 331.302 – County legislation 2022 Iowa Code 331.302 – County legislation 2020 Iowa Code 331.302 – County legislation 2018 Iowa Code 331.302 – County legislation 2016 Iowa Code 331.302 – County legislation 2014 Iowa Code 331.302 – County legislation. 2009 Iowa Code 331.302 – County legislation