Article 14 4.

Air carriers that repeatedly and intentionally operate air services at a time significantly different from the allocated slot as part of a series of slots or uses slots in a significantly different way from that indicated at the time of allocation and thereby cause prejudice to airport or air traffic operations shall lose their status as referred to in Article 8(2). The coordinator may decide to withdraw from that air carrier the series of slots in question for the remainder of the scheduling period and place them in the pool after having heard the air carrier concerned and after issuing a single warning.