Versions of 19 CFR Part 123 - Cbp Relations With Canada and Mexico on LawServer 2024 19 CFR Part 123 – Cbp Relations With Canada and Mexico 2023 19 CFR PART 123 – CBP RELATIONS WITH CANADA AND MEXICO 2022 19 CFR Part 123 – CBP Relations with Canada and Mexico 2021 19 CFR Part 123 – CBP Relations With Canada and Mexico 2020 19 CFR Part 123 – Cbp Relations With Canada and Mexico