Versions of 46 CFR 18 - Group classification on LawServer 2024 46 CFR 18 – Group classification 2023 46 CFR 18 – Group classification 2022 46 CFR 18 – Group classification 2021 46 CFR 18 – Group classification 2020 46 CFR 18 – Group classification 2019 46 CFR 18 – Group classification 2016 46 CFR 18 – Group classification