Versions of Iowa Code 124.303 - Registration on LawServer 2023 Iowa Code 124.303 – Registration 2022 Iowa Code 124.303 – Registration 2020 Iowa Code 124.303 – Registration 2018 Iowa Code 124.303 – Registration 2016 Iowa Code 124.303 – Registration 2014 Iowa Code 124.303 – Registration. 2009 Iowa Code 124.303 – Registration