Versions of 28 CFR 23.1 - Purpose on LawServer 2024 28 CFR 23.1 – Purpose 2023 28 CFR 23.1 – Purpose 2022 28 CFR 23.1 – Purpose 2021 28 CFR 23.1 – Purpose 2020 28 CFR 23.1 – Purpose 2019 28 CFR 23.1 – Purpose 2016 28 CFR 23.1 – Purpose 2015 28 CFR 23.1 – Purpose 2014 28 CFR 23.1 – Purpose