Versions of 49 CFR Part 5 - Administrative Procedures on LawServer 2024 49 CFR Part 5 – Administrative Procedures 2023 49 CFR PART 5 – ADMINISTRATIVE PROCEDURES 2022 49 CFR Part 5 – Administrative Procedures 2021 49 CFR Part 5 – Administrative Procedures 2020 49 CFR Part 5 – Administrative Rulemaking, Guidance, and Enforcement Procedures