| 5510.11 | | Single yarn |
| 5510.11 | 010 | - Measuring less than 192.31 decitex |
| 5510.11 | 020 | - Measuring less than 232.56 decitex but not less than 192.31 |
| 5510.11 | 090 | - Measuring 232.56 decitex or more |
| 5510.12 | 000 | Multiple (folded) or cabled yarn |
| 5510.20 | 000 | Other yarn, mixed mainly or solely with wool or fine animal hair |
| 5510.30 | 000 | Other yarn, mixed mainly or solely with cotton |
| 5510.90 | 000 | Other yarn |
