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          |  |  | 
        
          | 1 | 
            
              | Reference date |  
              | Payment terms related to reference date. |  | 
        
          | 2 | 
            
              | Before reference |  
              | Payment terms related to time before reference date. |  | 
        
          | 3 | 
            
              | After reference |  
              | Payment terms related to time after reference date. |  | 
        
          | 6 | 
            
              | End of month containing the reference date |  
              | Payment terms are at the end of the month containing the reference date. |  | 
        
          | 7 | 
            
              | End of the month following the month of reference date |  
              | Payment terms are at the end of the month following the month of reference date. |  | 
        
          | 16 | 
            
              | Whichever is first, the 15th or last day of the month following the payment terms period |  
              | The payment terms are at, whichever is first, the 15th or the last day of the month following the payment terms period (payment terms period = period of time between the reference date and the theoretical due date). |  |