|  | LIN-PIA-IMD-MEA-QTY-ALI-DTM-FTX-SG27-SG28-SG29-SG30-SG31-SG33-SG34-SG35-SG39 | 
        
          |  | RFF-DTM | 
        
          |  | Reference | 
        
          | 
            
              |  | Function: | To specify a reference. |  | 
        
          |  |  | * |  |  | 
        
          |  | Reference |  |  |  |  |  | 
        
          |  | Reference code qualifier |  |  |  |  | 
            
              |  | AAQ | = | Unit load device (e.g. container) identification number |  | 
        
          |  | Reference identifier |  |  |  |  | 
            
              |  | Reference to unit load device identification number |  
              |  | Marks (letters and/or numbers) which identify a unit load device e.g. freight container. |  | 
        
          | 
            
              |  | Segment notes: |  |  
              |  | Status-AT N Status-DK N
 Status-FR O
 Status-DE N
 Status-NL N
 Status-CH N
 Status-SE N
 Status-UK N
 Status-PL N
 Status-PT N
 Status-CZ N
 Status-HU N
 |  |  
              | I |  |  
              |  | Example: | RFF+AAQ:4714' |  |  
              |  | The message references to ULD Identification number 4714. |  |  |