Versions of 9 CFR 431.2 - Containers and closures on LawServer 2024 9 CFR 431.2 – Containers and closures 2023 9 CFR 431.2 – Containers and closures 2022 9 CFR 431.2 – Containers and closures 2021 9 CFR 431.2 – Containers and closures 2020 9 CFR 431.2 – Containers and closures 2019 9 CFR 431.2 – Containers and closures