Edition 2016 Upd. 2021
Instruction to despatch message
5. Segments Layout
 
Segment number:
33
-
M
1
-
 
Function:
 
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.
 
EDIFACT
EAN
*
Description
Section identification
M
a1
M
*
=
Detail/summary section separation
Segment Notes:
This segment is used to identify the break between the message detail and summary sections.

Example:
UNS+S'
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Edition 2016 Upd. 2021