2024 27 CFR 19.18 – Samples for the United States

2023 27 CFR 19.18 – Samples for the United States

2022 27 CFR 19.18 – Samples for the United States

2021 27 CFR 19.18 – Samples for the United States

2020 27 CFR 19.18 – Samples for the United States

2019 27 CFR 19.18 – Samples for the United States

2016 27 CFR 19.18 – Samples for the United States

2015 27 CFR 19.18 – Samples for the United States

2014 27 CFR 19.18 – Samples for the United States