| 2604.00.00 | 83 | Nickel ores and concentrates. - Precious metal content: - Platinum group metal content | GRM | | |
| 2608.00.00 | 81 | Zinc ores and concentrates. - Precious metal content: - Silver content | GRM | | |
| 2616.10.00 | 30 | Precious metal ores and concentrates. - Silver ores and concentrates - Zinc content | KGM | | |
| 2616.10.00 | 90 | Precious metal ores and concentrates. - Silver ores and concentrates - Other | KGM | | |
| 2825.20.00 | | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Lithium oxide and hydroxide | KGM | Free | CCCT, LDCT |
| 2825.50.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Copper oxides and hydroxides | KGM | Free | CCCT, LDCT |
| 28.25 | | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. | | | |
| 2825.30.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Vanadium oxides and hydroxides | KGM | Free | CCCT, LDCT |
| 2825.40.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Nickel oxides and hydroxides | KGM | Free | CCCT, LDCT |
| 2825.80.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Antimony oxides | KGM | Free | CCCT, LDCT |
| 2825.90.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Other | KGM | Free | CCCT, LDCT |
| 26.16 | | Precious metal ores and concentrates. | | | |
| 2616.10.00 | | Precious metal ores and concentrates. - Silver ores and concentrates | KGM | Free | CCCT, LDCT |
| 2616.10.00 | 10 | Precious metal ores and concentrates. - Silver ores and concentrates - Copper content | KGM | | |
| 2616.10.00 | 20 | Precious metal ores and concentrates. - Silver ores and concentrates - Lead content | KGM | | |
| 2616.10.00 | 81 | Precious metal ores and concentrates. - Silver ores and concentrates - Precious metal content: - Silver content | GRM | | |
| 2616.10.00 | 82 | Precious metal ores and concentrates. - Silver ores and concentrates - Precious metal content: - Gold content | GRM | | |
| 2616.90.00 | | Precious metal ores and concentrates. - Other | GRM | Free | CCCT, LDCT |
| 2616.90.00 | 10 | Precious metal ores and concentrates. - Other - Silver content | GRM | | |
| 2616.90.00 | 20 | Precious metal ores and concentrates. - Other - Gold content | GRM | | |
| 2616.90.00 | 30 | Precious metal ores and concentrates. - Other - Platinum group metal content | GRM | | |
| 2604.00.00 | 81 | Nickel ores and concentrates. - Precious metal content: - Silver content | GRM | | |
| 2604.00.00 | 82 | Nickel ores and concentrates. - Precious metal content: - Gold content | GRM | | |
| 2607.00.00 | 81 | Lead ores and concentrates. - Precious metal content: - Silver content | GRM | | |
| 2607.00.00 | 82 | Lead ores and concentrates. - Precious metal content: - Gold content | GRM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
