Versions of Iowa Code 321.492 - Peace officers\' authority on LawServer 2023 Iowa Code 321.492 – Peace officers’ authority 2022 Iowa Code 321.492 – Peace officers’ authority. 2020 Iowa Code 321.492 – Peace officers’ authority. 2018 Iowa Code 321.492 – Peace officers’ authority. 2016 Iowa Code 321.492 – Peace officers 2014 Iowa Code 321.492 – Peace officers’ authority. 2009 Iowa Code 321.492 – Peace officers’ authority