Versions of See prior versions of a law on LawServer 2024 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2023 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2022 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2021 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2020 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2019 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2016 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2015 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2010 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security 2009 19 CFR 0.1 – Customs revenue function regulations issued under the authority of the Departments of the Treasury and Homeland Security.