Versions of 29 CFR 1640.4 - Confidentiality on LawServer 2024 29 CFR 1640.4 – Confidentiality 2023 29 CFR 1640.4 – Confidentiality 2022 29 CFR 1640.4 – Confidentiality 2021 29 CFR 1640.4 – Confidentiality 2020 29 CFR 1640.4 – Confidentiality 2019 29 CFR 1640.4 – Confidentiality 2016 29 CFR 1640.4 – Confidentiality 2015 29 CFR 1640.4 – Confidentiality 2014 29 CFR 1640.4 – Confidentiality