Versions of Iowa Code 496C.4 - Purposes and powers on LawServer 2023 Iowa Code 496C.4 – Purposes and powers 2022 Iowa Code 496C.4 – Purposes and powers 2020 Iowa Code 496C.4 – Purposes and powers 2018 Iowa Code 496C.4 – Purposes and powers 2016 Iowa Code 496C.4 – Purposes and powers 2014 Iowa Code 496C.4 – Purposes and powers. 2009 Iowa Code 496C.4 – Purposes and powers