Versions of Iowa Code > Chapter 502A - Commodities Code on LawServer 2023 Iowa Code > Chapter 502A – Commodities Code 2022 Iowa Code > Chapter 502A – Commodities Code 2020 Iowa Code > Chapter 502A – Commodities Code 2018 Iowa Code > Chapter 502A – Commodities Code 2016 Iowa Code > Chapter 502A – Commodities Code 2014 Iowa Code > Chapter 502A – Commodities code 2009 Iowa Code Chapter 502A – Commodities code