Versions of Iowa Code 492.12 - Violation on LawServer 2023 Iowa Code 492.12 – Violation 2022 Iowa Code 492.12 – Violation 2020 Iowa Code 492.12 – Violation 2018 Iowa Code 492.12 – Violation 2016 Iowa Code 492.12 – Violation 2014 Iowa Code 492.12 – Violation. 2009 Iowa Code 492.12 – Violation