Versions of Iowa Code 335.17 - Vote required on LawServer 2023 Iowa Code 335.17 – Vote required 2022 Iowa Code 335.17 – Vote required 2020 Iowa Code 335.17 – Vote required 2018 Iowa Code 335.17 – Vote required 2016 Iowa Code 335.17 – Vote required 2014 Iowa Code 335.17 – Vote required. 2009 Iowa Code 335.17 – Vote required