UNZ Interchange trailer

To end and check the completeness of an interchange.

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Position
Element
Name
Type
Requirement
Min
Max
Repeat
010
Interchange control count
Numeric (N)
Mandatory
1
6
1
The count either of the number of messages or, if used, of the number of functional groups in an interchange. One of these counts shall appear.
020
Interchange control reference
String (AN)
Mandatory
1
14
1
Unique reference assigned by the sender to an interchange.
Shall be identical in UNB and UNZ.
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