Versions of 49 CFR 535.9 - Enforcement approach on LawServer 2024 49 CFR 535.9 – Enforcement approach 2023 49 CFR 535.9 – Enforcement approach 2022 49 CFR 535.9 – Enforcement approach 2021 49 CFR 535.9 – Enforcement approach 2020 49 CFR 535.9 – Enforcement approach 2019 49 CFR 535.9 – Enforcement approach 2016 49 CFR 535.9 – Enforcement approach 2015 49 CFR 535.9 – Enforcement approach