| Level 3 Code | Level 3 Description | Action |
|---|---|---|
| 12111200 | Professional and Scientific | Expand sub-codes |
| 12111202 | Administrative and Managerial | Expand sub-codes |
| 12111203 | Clerical and Related | Expand sub-codes |
| 12111205 | Service Workers | Expand sub-codes |
| 12111207 | Mining Metal Manufacture and Textiles | Expand sub-codes |
| 12111208 | Production Wood and Metalworkers | Expand sub-codes |
| 12111209 | Production Construction and Transport | Expand sub-codes |
| 12111210 | Lacking Occupation Code | Expand sub-codes |