Versions of Iowa Code 646.6 - Petition on LawServer 2024 Iowa Code 646.6 – Petition 2023 Iowa Code 646.6 – Petition 2022 Iowa Code 646.6 – Petition 2020 Iowa Code 646.6 – Petition 2018 Iowa Code 646.6 – Petition 2016 Iowa Code 646.6 – Petition 2014 Iowa Code 646.6 – Petition. 2009 Iowa Code 646.6 – Petition