Versions of 9 CFR 431.3 - Thermal processing on LawServer 2024 9 CFR 431.3 – Thermal processing 2023 9 CFR 431.3 – Thermal processing 2022 9 CFR 431.3 – Thermal processing 2021 9 CFR 431.3 – Thermal processing 2020 9 CFR 431.3 – Thermal processing 2019 9 CFR 431.3 – Thermal processing