The Court further confirmed that the practice aiming at collecting information on competitors' offers was abusive when, as in this case, it was part of a plan that aimed at eliminating a competitor. The fact that selling at a loss, even by a clearly dominant undertaking, is not abusive per se but may be rather difficult to explain is also illustrated by par. This decision also dealt with price differentiation in different Member States. The Solvay system consisted in a two-tier pricing structure by which a substantial and secret discount was offered for purchases in excess of what a customer could normally be expected to purchase from Solvay. ICI practiced a similar system.
Appeals are pending.
It was considered abusive to grant specific rebates that aimed at or resulted in strengthening of the tie-in arrangement, and a discriminatory rebate policy was considered insufficiently transparent. Interlining consists of an agreement pursuant to which airlines are authorized to sell each others' services. As a result, a single ticket can be issued for a voyage for which the passenger has to switch not only planes, but airlines. Interlining has been organized by IATA Resolution 780. The Commission has considered that a refusal to interline and the denial of interlining facilities is not part of normal competition unlikely to increase the difficulties of a newcomer on the market.