Versions of Iowa Code 515.15 - Voting power on LawServer 2024 Iowa Code 515.15 – Voting power 2023 Iowa Code 515.15 – Voting power 2022 Iowa Code 515.15 – Voting power 2020 Iowa Code 515.15 – Voting power 2018 Iowa Code 515.15 – Voting power 2016 Iowa Code 515.15 – Voting power 2014 Iowa Code 515.15 – Voting power. 2009 Iowa Code 515.15 – Voting power