Versions of Iowa Code 501.601 - Existing associations on LawServer 2023 Iowa Code 501.601 – Existing associations 2022 Iowa Code 501.601 – Existing associations 2020 Iowa Code 501.601 – Existing associations 2018 Iowa Code 501.601 – Existing associations 2016 Iowa Code 501.601 – Existing associations 2014 Iowa Code 501.601 – Existing associations. 2009 Iowa Code 501.601 – Existing associations