Versions of 30 CFR 23.1 - Purpose on LawServer 2024 30 CFR 23.1 – Purpose 2023 30 CFR 23.1 – Purpose 2022 30 CFR 23.1 – Purpose 2021 30 CFR 23.1 – Purpose 2020 30 CFR 23.1 – Purpose 2019 30 CFR 23.1 – Purpose 2016 30 CFR 23.1 – Purpose 2015 30 CFR 23.1 – Purpose 2014 30 CFR 23.1 – Purpose 2010 30 CFR 23.1 – Purpose
