| 2523.10.00 | 00 | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. | TNE | Free | CCCT, LDCT |
| 2523.21.00 | 00 | Portland cement: - Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. | TNE | Free | CCCT, LDCT |
| 2525.30.00 | 00 | Mica, including splittings; mica waste. | KGM | Free | CCCT, LDCT |
| 2529.21.00 | 00 | Fluorspar: - Feldspar; leucite; nepheline and nepheline syenite; fluorspar. | TNE | Free | CCCT, LDCT |
| 2522.10.00 | 00 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25. | KGM | Free | CCCT, LDCT |
| 2522.20.00 | 00 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25. | KGM | Free | CCCT, LDCT |
| 2522.30.00 | 00 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25. | KGM | Free | CCCT, LDCT |
| 2523.30.00 | 00 | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. | TNE | Free | CCCT, LDCT |
| 2523.90.00 | | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. | TNE | Free | CCCT, LDCT |
| 2523.90.00 | 90 | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. - Other | TNE | | |
| 2524.10.00 | 00 | Asbestos. | TNE | Free | CCCT, LDCT |
| 2524.90.00 | 00 | Asbestos. | TNE | Free | CCCT, LDCT |
| 2525.10.00 | 00 | Mica, including splittings; mica waste. | KGM | Free | CCCT, LDCT |
| 2525.20.00 | 00 | Mica, including splittings; mica waste. | KGM | Free | CCCT, LDCT |
| 2521.00.00 | | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement. | TNE | Free | CCCT, LDCT |
| 2521.00.00 | 40 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement. - Limestone | TNE | | |
| 2521.00.00 | 90 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement. - Other | TNE | | |
| 2526.10.00 | 00 | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc. | TNE | Free | CCCT, LDCT |
| 2529.10.00 | 00 | Feldspar; leucite; nepheline and nepheline syenite; fluorspar. | TNE | Free | CCCT, LDCT |
| 2520.10.00 | 00 | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerators or retarders. | KGM | Free | CCCT, LDCT |
| 2520.20.00 | 00 | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerators or retarders. | TNE | Free | CCCT, LDCT |
| 2523.29.00 | 00 | Portland cement: - Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. | TNE | Free | CCCT, LDCT |
| 2523.90.00 | 10 | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. - Masonry cement | TNE | | |
| 2523.90.00 | 20 | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. - Oilwell cement | TNE | | |
| 2523.90.00 | 30 | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers. - Slag cement | TNE | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
