UNB
Interchange Header
Marks the beginning of an EDIFACT interchange. Contains sender and recipient identifiers, date/time, and interchange reference number.
Element Structure
| Position | Element Name (EN) | Type | Mandatory |
|---|---|---|---|
| S001 | Syntax identifier | C | M |
| S002 | Interchange sender | C | M |
| S003 | Interchange recipient | C | M |
| S004 | Date/time of preparation | C | M |
| 0020 | Interchange control reference | an..14 | M |
Example
UNB segment example
UNB+UNOC:3+SENDER:14+RECEIVER:14+260310:1030+00001'
Used in these messages