Versions of 19 CFR 151.66 - Duty on samples on LawServer 2024 19 CFR 151.66 – Duty on samples 2023 19 CFR 151.66 – Duty on samples 2022 19 CFR 151.66 – Duty on samples 2021 19 CFR 151.66 – Duty on samples 2020 19 CFR 151.66 – Duty on samples 2019 19 CFR 151.66 – Duty on samples 2016 19 CFR 151.66 – Duty on samples 2015 19 CFR 151.66 – Duty on samples 2014 19 CFR 151.66 – Duty on samples