| 2615.90.60 | | Other | | Free | | Free |
| 2615.90.60 | 30 | Niobium (columbium) ores and concentrates | kg | | | |
| 2615.90.60 | 60 | Tantalum ores and concentrates | kg | | | |
| 2615.90.60 | 90 | Vanadium ores and concentrates | kg V2O5 kg | | | |
| 2616.10.00 | | Silver ores and concentrates | | 0.8¢/kg on lead content | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
| 2616.10.00 | 10 | Copper content | Cu kg | | | |
| 2616.10.00 | 20 | Lead content | Pb kg | | | |
| 2616.10.00 | 30 | Zinc content | Zn kg | | | |
| 2616.10.00 | 40 | Silver content | Ag g | | | |
| 2616.10.00 | 80 | Gold content | Au g | | | |
| 2616.90.00 | | Other | | 1.7¢/kg on lead content | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
| 2616.90.00 | 10 | Copper content | Cu kg | | | |
| 2616.90.00 | 20 | Lead content | Pb kg | | | |
| 2616.90.00 | 50 | Other precious metal content | g | | | |
| 2616.90.00 | 30 | Zinc content | Zn kg | | | |
| 2616.90.00 | 40 | Gold content | Au g | | | |
| 2617.10.00 | 00 | Antimony ores and concentrates | kg Sb kg | Free | | Free |
| 2617.90.00 | | Other | | Free | | Free |
| 2617.90.00 | 30 | Beryllium ores and concentrates | kg | | | |
| 2617.90.00 | 60 | Other | kg | | | |
| 2619.00.90 | 00 | Other | kg | Free | | Free |
| 2620.11.00 | 00 | Hard zinc spelter | kg | Free | | 5% |
| 2620.19.30 | 00 | Zinc dross and zinc skimmings | kg Zn kg | Free | | 3.3¢/kg |
| 2620.19.60 | | Other | | 0.7¢/kg on copper content + 0.7¢/kg on lead content | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
| 2620.19.60 | 10 | Copper content | Cu kg | | | |