Versions of Iowa Code 543B.1 - License mandatory on LawServer 2023 Iowa Code 543B.1 – License mandatory 2022 Iowa Code 543B.1 – License mandatory 2020 Iowa Code 543B.1 – License mandatory 2018 Iowa Code 543B.1 – License mandatory 2016 Iowa Code 543B.1 – License mandatory 2014 Iowa Code 543B.1 – License mandatory. 2009 Iowa Code 543B.1 – License mandatory
