Tantalum-Bearing Columbite Ore Concentrate from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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