| Column | Type | Length | Decimal | Domain |
|---|---|---|---|---|
| CLADESC | CHARACTER | 20 | 0 | Class Description |
| MASKROUTINE | CHARACTER | 8 | 0 | Masking Routine |
| MASKFLAG | CHARACTER | 1 | 0 | Masking Flag |
| TARNROUTINE | CHARACTER | 8 | 0 | Masking Routine |
| TARNFLAG | CHARACTER | 1 | 0 | Masking Flag |
| REVDROUTINE | CHARACTER | 8 | 0 | Masking Routine |
| REVFLAG | CHARACTER | 1 | 0 | Reverse Flag |