Versions of 31 CFR 16.21 - Discovery on LawServer 2024 31 CFR 16.21 – Discovery 2023 31 CFR 16.21 – Discovery 2022 31 CFR 16.21 – Discovery 2021 31 CFR 16.21 – Discovery 2020 31 CFR 16.21 – Discovery 2019 31 CFR 16.21 – Discovery 2016 31 CFR 16.21 – Discovery 2015 31 CFR 16.21 – Discovery 2014 31 CFR 16.21 – Discovery