Versions of 40 CFR 27.9 - Answer on LawServer 2024 40 CFR 27.9 – Answer 2023 40 CFR 27.9 – Answer 2022 40 CFR 27.9 – Answer 2021 40 CFR 27.9 – Answer 2020 40 CFR 27.9 – Answer 2019 40 CFR 27.9 – Answer 2016 40 CFR 27.9 – Answer 2015 40 CFR 27.9 – Answer 2014 40 CFR 27.9 – Answer