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              Function: | 
             
            
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              To indicate the type and function of a message and to transmit the identifying number. | 
             
           
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          EAN | 
          * | 
          
          
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          R | 
            | 
            | 
        
        
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          R | 
          * | 
          
          
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              Code list identification code | 
             
           
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          N | 
            | 
            | 
        
        
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              Code list responsible agency code | 
             
           
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          D | 
          * | 
          
          
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          O | 
            | 
            | 
        
        
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              DOCUMENT/MESSAGE IDENTIFICATION | 
             
           
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          R | 
            | 
            | 
        
        
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          R | 
            | 
          
          
            
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              Number of the COACSU document assigned by document sender. | 
             
            
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              For global unique identification of documents Global Document Type Identifier (GDTI) is available. | 
             
           
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          N | 
            | 
            | 
        
        
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          N | 
            | 
            | 
        
        
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          R | 
          * | 
          
          
            
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              General explanations | 
             
            
              | 9 | 
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              = | 
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              Original | 
             
            
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              9 = Original - An original transmission of a commercial account summary. | 
             
           
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          N | 
            | 
            | 
        
        
          
          
            
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              Segment Notes: | 
             
            
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              This segment is used to indicate the type and function of a message and to transmit the identifying number.
  Example: BGM+49E::9+CA5422+9' This example identifies the document as being an original commercial account summary with the reference number CA5422. | 
             
           
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