Versions of Iowa Code 234.21 - Services to be offered on LawServer 2023 Iowa Code 234.21 – Services to be offered 2022 Iowa Code 234.21 – Services to be offered 2020 Iowa Code 234.21 – Services to be offered 2018 Iowa Code 234.21 – Services to be offered 2016 Iowa Code 234.21 – Services to be offered 2014 Iowa Code 234.21 – Services to be offered. 2009 Iowa Code 234.21 – Services to be offered