2024 19 USC 1312 – Bonded smelting and refining warehouses

2023 19 USC 1312 – Bonded smelting and refining warehouses

2022 19 USC 1312 – Bonded smelting and refining warehouses

2021 19 USC 1312 – Bonded smelting and refining warehouses

2020 19 USC 1312 – Bonded smelting and refining warehouses

2018 19 USC 1312 – Bonded smelting and refining warehouses

2017 19 USC 1312 – Bonded smelting and refining warehouses

2015 19 USC 1312 – Bonded smelting and refining warehouses

2014 19 USC 1312 – Bonded smelting and refining warehouses