| Variable | Description | Type | Begin Column | End Column |
|---|---|---|---|---|
| SIC | Standard Industrial Classification | A4 | 1 | 4 |
| SCC | Source Classification Code | A8 | 5 | 12 |
| ACTCODE | ACT Code | I10 | 13 | 22 |
| PROCCODE | Process Code | I10 | 23 | 32 |
| CNTLCODE | Control Code | I10 | 33 | 42 |
| OIC | Old Industrial Code | A10 | 43 | 52 |