Versions of Iowa Code 157.2 - Prohibitions -- exceptions on LawServer 2023 Iowa Code 157.2 – Prohibitions — exceptions 2022 Iowa Code 157.2 – Prohibitions — exceptions. 2020 Iowa Code 157.2 – Prohibitions — exceptions. 2018 Iowa Code 157.2 – Prohibitions — exceptions. 2016 Iowa Code 157.2 – Prohibitions 2014 Iowa Code 157.2 – Prohibitions – exceptions. 2009 Iowa Code 157.2 – Prohibitions — exceptions