Versions of Iowa Code 28E.37 - Designation of townships on LawServer 2023 Iowa Code 28E.37 – Designation of townships 2022 Iowa Code 28E.37 – Designation of townships 2020 Iowa Code 28E.37 – Designation of townships 2018 Iowa Code 28E.37 – Designation of townships 2016 Iowa Code 28E.37 – Designation of townships 2014 Iowa Code 28E.37 – Designation of townships. 2009 Iowa Code 28E.37 – Designation of townships