Versions of 25 CFR 40.4 - Security on LawServer 2024 25 CFR 40.4 – Security 2023 25 CFR 40.4 – Security 2022 25 CFR 40.4 – Security 2021 25 CFR 40.4 – Security 2020 25 CFR 40.4 – Security 2019 25 CFR 40.4 – Security 2016 25 CFR 40.4 – Security 2015 25 CFR 40.4 – Security 2014 25 CFR 40.4 – Security 2010 25 CFR 40.4 – Security 2009 25 CFR 40.4 – Security.