Versions of Iowa Code 646.12 - Possession on LawServer 2023 Iowa Code 646.12 – Possession 2022 Iowa Code 646.12 – Possession 2020 Iowa Code 646.12 – Possession 2018 Iowa Code 646.12 – Possession 2016 Iowa Code 646.12 – Possession 2014 Iowa Code 646.12 – Possession. 2009 Iowa Code 646.12 – Possession