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              Function: | 
             
            
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              To head, identify and specify a message. | 
             
           
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          EAN | 
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          M | 
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              Senders unique message reference. Sequence number of the messages in the interchange. DE 0062 in the UNT will be identical. Sender generated. | 
             
           
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          M | 
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          M | 
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          M | 
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          M | 
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          M | 
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              Association assigned code | 
             
           
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          R | 
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              General explanations | 
             
            
              | EAN004 | 
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              = | 
              GS1 version control number (GS1 Permanent Code) | 
             
            
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              Indicates that the message is the EANCOM version 004 of the UNSM Product Inquiry. | 
             
           
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          N | 
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          N | 
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              Segment Notes: | 
             
            
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              This segment is used to head, identify and specify a message. DE's 0065, 0052, and 0054: Indicates that the message is a UNSM Product Inquiry message based on the EDIFACT D.01B  directory.
  Example: UNH+ME000001+PROINQ:D:01B:UN:EAN004' | 
             
           
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