De
|
En
                                                   
                                                   
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No
Seg
St
Max. Occ.
                                               
1
UNA
R
1
Service string advice
 
To define the characters selected for use as delimiters and indicators in the rest of the interchange that follows.
Business Term
DE
EDIFACT
Format
St
*
Description
Component data element separator
UNA1
Component data element separator
an1
M
  
Default value: ":"
Data element separator
UNA2
Data element separator
an1
M
  
Default value:  "+"
Decimal notation
UNA3
Decimal notation
an1
M
  
Default value: "."
Release character
UNA4
Release indicator
an1
M
  
Default value:  "?"
Reserved for future use
UNA5
Reserved for future use
an1
M
  
(Default value: space )
Segment terminator
UNA6
Segment terminator
an1
M
  
Default value: " ' "
Segmentstatus: Mandatory

The use of the UNA segment is mandatory, if character set "A" (UNB,DE0001) is not used.

For international EDI the use of character set UNOA is recommended. For national (German) EDI the use of UNOC is reasonable because it contains lower case letters and umlauts.
     
Example:
UNA:+.? '
   
The UNA segment contains the default service string characters.
                                                   
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Max. Occ. = Maximum Occurrence, St = Status, * = Restricted Codes
Status: M=Mandatory, R=Required, O=Optional, D=Dependent, A=Advised, N=Not used