2024 39 CFR 3040.105 – Modifications to the Mail Classification Schedule

2023 39 CFR 3040.105 – Modifications to the Mail Classification Schedule

2022 39 CFR 3040.105 – Modifications to the Mail Classification Schedule

2021 39 CFR 3040.105 – Modifications to the Mail Classification Schedule

2020 39 CFR 3040.105 – Modifications to the Mail Classification Schedule