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Service segment specifications  UST   EDIFACT  Syntax Version 4

UST	SECURITY TRAILER   To establish a link between security header and security trailer segment groups. Notes: 1. 0534, the value shall be identical to the value in 0534 in the corresponding USH segment.

Pos		Tag	Name	S	R	Repr		Notes
010		0534	SECURITY REFERENCE NUMBER Unique reference number assigned by the security originator to a pair of security header and security trailer groups.	M	1	an..14		1
020		0588	NUMBER OF SECURITY SEGMENTS The number of security segments in a security header/trailer group pair, plus the USD and USU segments where the security header/trailer group pair is used for encryption.	M	1	n..10

Date  2002-05-23