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| Code | Description |
| 0 | Mailable, Not yet mailed |
| 1 | Mailed once |
| 2 | Mailed twice |
| 3 | Mailed three times |
| 4 | Mailed four times |
| 11 | Clean subunit in a mailable multi |
| 12 | Clean record in a multi, but unmailable due to errors on another record. |
| 30 | Updated, but has CCS I-error OR NAICS code not entered |
| 31 | Not reviewed, pending |
| 32 | Not mailed. Centrally collected and verified. No industry, county, or ownership code changes. |
| 33 | BLS-assigned, submitted as 46/50/76 but has a CCS 1-error on BLS Micro File |
| 34 | BLS-assigned, submitted as 46/50/76 - not a true code change on BLS Micro F |
| 35 | BLS-asgn, submitted w Com Cd 81, true code change, resp cd not 30/46/50/76 |
| 41 | Reviewed, No CCS changes |
| 42 | Codes Correct, but Employer misunderstood Industry Description |
| 46 | Clean record with CCS updates |
| 50 | Code change from non-refiling source |
| 57 | NAICS Revision Code Change from another source |
| 63 | Post office return |
| 64 | Out of business |
| 65 | Refusal |
| 76 | Code change to NAICS, cty, twn, or own but system-assigned NAICS |
| 77 | NAICS (or AuxNaics) code system-assigned |
| 78 | NAICS code assigned based on EIN |
| 79 | NAICS code assigned based on known business activities |
| 86 | Record on the control file but either not mailed or remailed |
| 98 | Carryover, presumed out of business |
| 99 | Unmailable record due to errors |