Versions of Iowa Code 812.4 - Hearing on LawServer 2023 Iowa Code 812.4 – Hearing 2022 Iowa Code 812.4 – Hearing 2020 Iowa Code 812.4 – Hearing 2018 Iowa Code 812.4 – Hearing 2016 Iowa Code 812.4 – Hearing 2014 Iowa Code 812.4 – Hearing. 2009 Iowa Code 812.4 – Hearing