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              | A group of segments giving references where necessary, their dates relating to the whole message, e.g. contract number. |  |  | 
        
          |  |  | 
        
          | 
            
              |  | Function: |  
              |  | To specify a reference. |  | 
        
          |  |  | EAN | * |  | 
        
          |  |  |  | M |  |  | 
        
          |  |  |  | M |  | 
            
              | AAJ |  | = | Delivery order number |  
              | AAN |  | = | Delivery schedule number |  
              | AAU |  | = | Despatch note number |  
              | AWT |  | = | Administrative Reference Code |  
              | CR |  | = | Customer reference number |  
              | CT |  | = | Contract number |  
              | IP |  | = | Import licence number |  
              | ON |  | = | Order number (buyer) |  
              | PK |  | = | Packing list number |  
              | POR |  | = | Purchase order response number |  
              | PP |  | = | Purchase order change number |  
              | VN |  | = | Order number (supplier) |  | 
        
          |  |  |  | R |  |  | 
        
          |  |  |  | N |  |  | 
        
          |  | 
            
              |  | Reference version identifier |  |  | N |  |  | 
        
          |  |  |  | N |  |  | 
        
          | 
            
              |  | Segment Notes: |  
              |  | This segment is used to provide references that apply to the whole transaction. 
 Example:
 RFF+AAJ:12332'
 |  |