| Field | Key | Data Element | Type | Offset | Leng | Decimals | Check Table | Text |
|---|---|---|---|---|---|---|---|---|
| ATTR | X | TRATTR | CHAR | 0 | 30 | 0 | Request attribute | |
| OBLIGATORY | TROBLIGA | CHAR | 30 | 1 | 0 | Attribute Required for Requests | ||
| REFERENCE | TRVALUEOBL | CHAR | 31 | 1 | 0 | Attribute value obligatory | ||
| EXTERNALLY | TREXTERN | CHAR | 32 | 1 | 0 | Attribute assigned externally | ||
| UNIQUE_ | TRUNIQUE | CHAR | 33 | 1 | 0 | Attribute can only be assigned once for each request |