Versions of Iowa Code 804.29 - Confidentiality on LawServer 2023 Iowa Code 804.29 – Confidentiality 2022 Iowa Code 804.29 – Confidentiality 2020 Iowa Code 804.29 – Confidentiality 2018 Iowa Code 804.29 – Confidentiality 2016 Iowa Code 804.29 – Confidentiality 2014 Iowa Code 804.29 – Confidentiality. 2009 Iowa Code 804.29 – Confidentiality