Versions of Iowa Code 322.15 - Construction of chapter on LawServer 2023 Iowa Code 322.15 – Construction of chapter 2022 Iowa Code 322.15 – Construction of chapter 2020 Iowa Code 322.15 – Construction of chapter 2018 Iowa Code 322.15 – Construction of chapter 2016 Iowa Code 322.15 – Construction of chapter 2014 Iowa Code 322.15 – Construction of chapter. 2009 Iowa Code 322.15 – Construction of chapter