0551 - Service character for signature qualifier - UN/EDIFACT Syntax Version 4 Revision 6 Service Code List

0551 -	Service character for signature qualifier UN/EDIFACT Syntax Version 4 Revision 6 Service Code List
Repr:	an..3
Desc:	Identification of the type of service character used when the signature was computed.
	This table also occurs in the following versions of this standard: 40000, 40001, 40002, 40003, 40004, 40005, 40006, 40007, 40100, 40101, 40102

1	Segment terminator
	Specifies that this is the separator at the end of segments.
2	Component data element separator
	Specifies that this is the separator between component data elements.
3	Data element separator
	Specifies that this is the separator between data elements.
4	Release character
	Specifies that this is the release character.
5	Repetition separator
	Specifies that this is the separator between repeating data elements.

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.

0551 -