Versions of 39 CFR 3020.102 - Advisory opinion and special studies on LawServer 2024 39 CFR 3020.102 – Advisory opinion and special studies 2023 39 CFR 3020.102 – Advisory opinion and special studies 2022 39 CFR 3020.102 – Advisory opinion and special studies 2021 39 CFR 3020.102 – Advisory opinion and special studies 2020 39 CFR 3020.102 – Advisory opinion and special studies