Versions of Iowa Code 617.7 - Unknown defendants on LawServer 2023 Iowa Code 617.7 – Unknown defendants 2022 Iowa Code 617.7 – Unknown defendants 2020 Iowa Code 617.7 – Unknown defendants 2018 Iowa Code 617.7 – Unknown defendants 2016 Iowa Code 617.7 – Unknown defendants 2014 Iowa Code 617.7 – Unknown defendants. 2009 Iowa Code 617.7 – Unknown defendants