Versions of Iowa Code 148B.3A - Referral on LawServer 2023 Iowa Code 148B.3A – Referral 2022 Iowa Code 148B.3A – Referral 2020 Iowa Code 148B.3A – Referral 2018 Iowa Code 148B.3A – Referral 2016 Iowa Code 148B.3A – Referral 2014 Iowa Code 148B.3A – Referral. 2009 Iowa Code 148B.3A – Referral