Versions of Iowa Code 143.3 - Duties on LawServer 2024 Iowa Code 143.3 – Duties 2023 Iowa Code 143.3 – Duties 2022 Iowa Code 143.3 – Duties 2020 Iowa Code 143.3 – Duties 2018 Iowa Code 143.3 – Duties 2016 Iowa Code 143.3 – Duties 2014 Iowa Code 143.3 – Duties. 2009 Iowa Code 143.3 – Duties