Versions of Iowa Code 904.510 - Religious preference on LawServer 2023 Iowa Code 904.510 – Religious preference 2022 Iowa Code 904.510 – Religious preference 2020 Iowa Code 904.510 – Religious preference 2018 Iowa Code 904.510 – Religious preference 2016 Iowa Code 904.510 – Religious preference 2014 Iowa Code 904.510 – Religious preference. 2009 Iowa Code 904.510 – Religious preference