Versions of Iowa Code 256.3 - State board established on LawServer 2023 Iowa Code 256.3 – State board established 2022 Iowa Code 256.3 – State board established 2020 Iowa Code 256.3 – State board established 2018 Iowa Code 256.3 – State board established 2016 Iowa Code 256.3 – State board established 2014 Iowa Code 256.3 – State board established. 2009 Iowa Code 256.3 – State board established