translate English to French: In that context, the Commission has received evidence that DPAG makes aggressive use of the availability of quantity-based discounts as a marketing tool to win back clients from mail preparation and full services conveyance competitors. A case was reported to the Commission where DPAG offered a regional tax office a 21% discount on the standard tariff for all mail items processed by DPAG.
Ce régime inflige donc aux fournisseurs de services d'autoprestation commerciaux un désavantage non négligeable dans la concurrence par rapport à DPAG, qui incite par conséquent cette dernière à étendre le pouvoir de marché dont elle jouit sur le marché des services postaux de base à celui des services de routage.