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UNH -

Message header
UN/EDIFACT Syntax Version 3 Segment List

Function:To head, identify and specify a message.
This segment also occurs in the following versions of this standard:
30000, 40000, 40100

Pos Segment M/C Repeat Repr. Notes
010 0062 Message reference number M 1 an..14
020 S009 MESSAGE IDENTIFIER M 1
0065 Message type M an..6
0052 Message version number M an..3
0054 Message release number M an..3
0051 Controlling agency M an..2
0057 Association assigned code C an..6
030 0068 Common access reference C 1 an..35
040 S010 STATUS OF THE TRANSFER C 1
0070 Sequence of transfers M n..2
0073 First and last transfer C a1

PosPosition
M/CMandatory or Conditional
Repr.Representation (Data or Content Type)

Segment UNH is used in the following messages:
CONTRL

Change indicators
plus sign An addition.
asterisk Addition/substraction/change to a code entry for a particular data element.
hash or pound sign Changes to names.
vertical bar Changes to text for descriptions, notes and functions.
minus sign A deletion.
letter X Marked for deletion.

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