Versions of Iowa Code 533C.504 - Change of control on LawServer 2023 Iowa Code 533C.504 – Change of control 2022 Iowa Code 533C.504 – Change of control 2020 Iowa Code 533C.504 – Change of control 2018 Iowa Code 533C.504 – Change of control 2016 Iowa Code 533C.504 – Change of control 2014 Iowa Code 533C.504 – Change of control. 2009 Iowa Code 533C.504 – Change of control