2024 CFR > Title 21 > Chapter II > Part 1312 > Importation of Controlled Substances

2023 CFR > Title 21 > CHAPTER II > PART 1312 > Importation of Controlled Substances

2022 CFR > Title 21 > Chapter II > Part 1312 > Importation of Controlled Substances – Importation of Controlled Substances

2021 CFR > Title 21 > Chapter II > Part 1312 > Importation of Controlled Substances – Importation of Controlled Substances