2024 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General

2023 CFR > Title 21 > CHAPTER I > SUBCHAPTER C – DRUGS: GENERAL

2022 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General

2021 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General

2020 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General

2019 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General

2016 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General

2015 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General

2014 CFR > Title 21 > Chapter I > Subchapter C – Drugs: General