| Field | Key | Data Element | Type | Offset | Leng | Decimals | Check Table | Text |
|---|---|---|---|---|---|---|---|---|
| SYSTEMID1 | X | TTET_SYSTEM_ID_1 | CHAR | 0 | 32 | 0 | TTE Calling System Identifier | |
| SYSTEMID2 | X | TTET_SYSTEM_ID_2 | CHAR | 32 | 32 | 0 | TTE Calling System Identifier 2 | |
| REFERENCE_SYSTEM | TTET_REFERENCE_SYSTEM | CHAR | 64 | 1 | 0 | TTE Reference Datasource System | ||
| MAP_REQUIRED | TTET_MAP_REQUIRED | CHAR | 65 | 1 | 0 | Assignment of TTE Input Parameters Required |