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ELU -

Data element usage details
UN/CEFACT Revision 2000A Segment List

Function:To specify the usage of a data element.
This segment also occurs in the following versions of this standard:
D95B, D96A, D96B, D97A, D97B, D98A, D98B, D99A, D99B, D00A, D00B, D01A, D01B, D01C, D02A, D02B, D03A, D03B, D04A, D04B

Pos Segment M/C Repeat Repr. Notes
010 9162 Data element tag identifier M 1 an..4
020 7299 Requirement designator code C 1 an..3
030 1050 Sequence position identifier C 1 an..10
040 4513 Maintenance operation code C 1 an..3
050 6176 Occurrences maximum number C 1 n..7
060 9453 Code value source code C 1 an..3
070 9285 Validation criteria code C 1 an..3
080 9175 Data element usage type code C 1 an..3

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

Segment ELU is used in the following messages:
DIRDEFDMRDEFIMPDEF

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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