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Tantalum-Bearing Columbite Ore Concentrate from Japan

Columbite-tantalite (coltan) concentrate grading 30% Ta2O5 from alluvial deposits in Central Africa. HTS 2617.90.00 applies to this rare earth-associated ore concentrate.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Comply with Section 1502 conflict minerals disclosure for tantalum sourcing verification

Report both tantalum and niobium content separately in entry documentation

Secure end-user statements for strategic mineral import licenses where applicable