| 520511 | 520511 - Cotton yarn; (not sewing thread), single, of uncombed fibres, |
| 520512 | 520512 - Cotton yarn; (not sewing thread), single, of uncombed fibres, |
| 520513 | 520513 - Cotton yarn; (not sewing thread), single, of uncombed fibres, |
| 520514 | 520514 - Cotton yarn; (not sewing thread), single, of uncombed fibres, |
| 520515 | 520515 - Cotton yarn; (not sewing thread), single, of uncombed fibres, |
| 520521 | 520521 - Cotton yarn; (not sewing thread), single, of combed fibres, 8 |
| 520522 | 520522 - Cotton yarn; (not sewing thread), single, of combed fibres, 8 |
| 520523 | 520523 - Cotton yarn; (not sewing thread), single, of combed fibres, 8 |
| 520524 | 520524 - Cotton yarn; (not sewing thread), single, of combed fibres, 8 |
| 520525 | 520525 - Cotton yarn >85% single combed <125 dtex, not retail |
| 520526 | 520526 - Cotton yarn; (not sewing thread), single, of combed fibres, 8 |
| 520527 | 520527 - Cotton yarn; (not sewing thread), single, of combed fibres, 8 |
| 520528 | 520528 - Cotton yarn; (not sewing thread), single, of combed fibres, 8 |
| 520531 | 520531 - Cotton yarn; (not sewing thread), multiple or cabled, of unco |
| 520532 | 520532 - Cotton yarn; (not sewing thread), multiple or cabled, of unco |
| 520533 | 520533 - Cotton yarn; (not sewing thread), multiple or cabled, of unco |
| 520534 | 520534 - Cotton yarn; (not sewing thread), multiple or cabled, of unco |
| 520535 | 520535 - Cotton yarn; (not sewing thread), multiple or cabled, of unco |
| 520541 | 520541 - Cotton yarn; (not sewing thread), multiple or cabled, of comb |
| 520542 | 520542 - Cotton yarn; (not sewing thread), multiple or cabled, of comb |
| 520543 | 520543 - Cotton yarn; (not sewing thread), multiple or cabled, of comb |
| 520544 | 520544 - Cotton yarn; (not sewing thread), multiple or cabled, of comb |
| 520545 | 520545 - Cotton yarn >85% multiple combed <125 dtex,not retail |
| 520546 | 520546 - Cotton yarn; (not sewing thread), multiple or cabled, of comb |
| 520547 | 520547 - Cotton yarn; (not sewing thread), multiple or cabled, of comb |
| 520548 | 520548 - Cotton yarn; (not sewing thread), multiple or cabled, of comb |