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UST -

Security trailer UN/EDIFACT Syntax Version 4 Segment List

	Function:	To establish a link between security header and security trailer segment groups.
	This segment also occurs in the following versions of this standard: 40000, 40100

Pos	Segment			M/C	Repeat	Repr.	Notes
010		0534	Security reference number	M	1	an..14
020		0588	Number of security segments	M	1	n..10

Pos	Position
M/C	Mandatory or Conditional
Repr.	Representation (Data or Content Type)
Notes:
1.	0534, the value shall be identical to the value in 0534 in the corresponding USH segment.

Segment UST is used in the following messages:
AUTACK

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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