| Field | Key | Data Element | Type | Offset | Leng | Decimals | Check Table | Text |
|---|---|---|---|---|---|---|---|---|
| COMM_TYPE | X | AD_COMM | CHAR | 0 | 3 | 0 | Communication Method (Key) (Business Address Services) | |
| COMM_TABLE | AD_COMM_TB | CHAR | 3 | 1 | 0 | Flag: user data table + maintenance function exist | ||
| COMM_USED | AD_COMMUSE | CHAR | 4 | 1 | 0 | Flag: Communication Type Currently in Use |