Versions of Iowa Code 28E.29 - Amana -- additional law enforcement on LawServer 2023 Iowa Code 28E.29 – Amana — additional law enforcement 2022 Iowa Code 28E.29 – Amana — additional law enforcement. 2020 Iowa Code 28E.29 – Amana — additional law enforcement. 2018 Iowa Code 28E.29 – Amana — additional law enforcement. 2016 Iowa Code 28E.29 – Amana 2014 Iowa Code 28E.29 – Amana – additional law enforcement. 2009 Iowa Code 28E.29 – Amana — additional law enforcement