Versions of 49 CFR 579.4 - Terminology on LawServer 2024 49 CFR 579.4 – Terminology 2023 49 CFR 579.4 – Terminology 2022 49 CFR 579.4 – Terminology 2021 49 CFR 579.4 – Terminology 2020 49 CFR 579.4 – Terminology 2019 49 CFR 579.4 – Terminology 2016 49 CFR 579.4 – Terminology 2015 49 CFR 579.4 – Terminology 2014 49 CFR 579.4 – Terminology 2010 49 CFR 579.4 – Terminology