Versions of Iowa Code 298.4 - District management levy on LawServer 2023 Iowa Code 298.4 – District management levy 2022 Iowa Code 298.4 – District management levy 2020 Iowa Code 298.4 – District management levy 2018 Iowa Code 298.4 – District management levy 2016 Iowa Code 298.4 – District management levy 2014 Iowa Code 298.4 – District management levy. 2009 Iowa Code 298.4 – District management levy