Versions of Iowa Code 904.901 - Work release program on LawServer 2023 Iowa Code 904.901 – Work release program 2022 Iowa Code 904.901 – Work release program 2020 Iowa Code 904.901 – Work release program 2018 Iowa Code 904.901 – Work release program 2016 Iowa Code 904.901 – Work release program 2014 Iowa Code 904.901 – Work release program. 2009 Iowa Code 904.901 – Work release program