Versions of Iowa Code 423.57 - Statutes applicable on LawServer 2023 Iowa Code 423.57 – Statutes applicable 2022 Iowa Code 423.57 – Statutes applicable 2020 Iowa Code 423.57 – Statutes applicable 2018 Iowa Code 423.57 – Statutes applicable 2016 Iowa Code 423.57 – Statutes applicable 2014 Iowa Code 423.57 – Statutes applicable. 2009 Iowa Code 423.57 – Statutes applicable