Versions of Iowa Code 185C.16 - Notice of referendum on LawServer 2023 Iowa Code 185C.16 – Notice of referendum 2022 Iowa Code 185C.16 – Notice of referendum 2020 Iowa Code 185C.16 – Notice of referendum 2018 Iowa Code 185C.16 – Notice of referendum 2016 Iowa Code 185C.16 – Notice of referendum 2014 Iowa Code 185C.16 – Notice of referendum. 2009 Iowa Code 185C.16 – Notice of referendum