| Segment specification | UNS |
| Directory | Messages | Segments | Composites | Data elements | Codes | Meaning of the change indicators |
|
|
|
|
|
|
| To separate header, detail and summary sections of a message. Notes: 1. To be used by message designers when required to avoid ambiguities. Mandatory only if specified for the type of message concerned. |
| 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 |
| 010 |
|
0081 | Section identification | M | 1 | a1 |
 |
|
 |
