Versions of Iowa Code 154A.20 - Rights of purchaser on LawServer 2023 Iowa Code 154A.20 – Rights of purchaser 2022 Iowa Code 154A.20 – Rights of purchaser 2020 Iowa Code 154A.20 – Rights of purchaser 2018 Iowa Code 154A.20 – Rights of purchaser 2016 Iowa Code 154A.20 – Rights of purchaser 2014 Iowa Code 154A.20 – Rights of purchaser. 2009 Iowa Code 154A.20 – Rights of purchaser