Versions of Iowa Code 145A.20 - Revenue bonds on LawServer 2024 Iowa Code 145A.20 – Revenue bonds 2023 Iowa Code 145A.20 – Revenue bonds 2022 Iowa Code 145A.20 – Revenue bonds 2020 Iowa Code 145A.20 – Revenue bonds 2018 Iowa Code 145A.20 – Revenue bonds 2016 Iowa Code 145A.20 – Revenue bonds 2014 Iowa Code 145A.20 – Revenue bonds. 2009 Iowa Code 145A.20 – Revenue bonds