| HTS Number | Description | Unit of Quantity | General Rate of Duty | Details | 
| 2620 9975 | Other materials which are residues not advanced in value or condition by any means, and which if containing over 2 percent by weight of copper, lead or zinc are not to be treated for the recovery thereof |  | Free |  | 
| 2620 9975.20 | Vanadium bearing materials | kg/ V2O5 kg |  | More | 
| 2620 9975.60 | Other materials containing silver | Au g |  | More | 
| 2620 9975.80 | Other materials containing gold | Au g |  | More | 
| 2620 9975.90 | Other materials that do not contain vanadium, silver or gold | kg |  | More | 
| 2620 9985.00 | Other | kg | Free | More |