Judgment_paragraph 34 · Post Danmark A/S v Konkurrencerådet (C-23/14)

34In addition, it must be pointed out that the rebate scheme at issue in the main proceedings was based on a reference period of one year. However, any system under which discounts are granted according to the quantities sold during a relatively long reference period has the inherent effect, at the end of that period, of increasing the pressure on the buyer to reach the purchase figure needed to obtain the discount or to avoid suffering the expected loss for the entire period (judgment in Nederlandsche Banden-Industrie-Michelin v Commission, 322/81, EU:C:1983:313, paragraph 81).