| 2510.10.00 | 00 | Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk. | TNE | Free | CCCT, LDCT |
| 2509.00.00 | | Chalk. | KGM | Free | CCCT, LDCT |
| 2509.00.00 | 10 | Chalk. - Whiting | KGM | | |
| 2509.00.00 | 90 | Chalk. - Other | KGM | | |
| 25.10 | | Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk. | | | |
| 2510.20.00 | 00 | Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk. | TNE | Free | CCCT, LDCT |
| 96.09 | | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks. | | | |
| 9609.90.00 | 00 | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks.
- Other | GRO | 7% | CCCT, LDCT |
| 9609.10.00 | | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks.
- Pencils and crayons, with leads encased in a rigid sheath | GRO | 7% | CCCT, LDCT |
| 9609.10.00 | 10 | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks.
- Pencils and crayons, with leads encased in a rigid sheath - With black leads | GRO | 7% | CCCT, LDCT |
| 9609.10.00 | 20 | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks.
- Pencils and crayons, with leads encased in a rigid sheath - With coloured leads | GRO | 7% | CCCT, LDCT |
| 9609.20 | | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks.
- Pencil leads, black or coloured | | | |
| 9609.20.10 | 00 | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks.
- Pencil leads, black or coloured - For use in the manufacture of pencils | - | Free | CCCT, LDCT |
| 9609.20.90 | 00 | Pencils (other than pencils of heading 96.08), crayons, pencil leads, pastels, drawing charcoals, writing or drawing chalks and tailors' chalks.
- Pencil leads, black or coloured - Other | - | 6% | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: 袜子
