Case C-263/20: Judgment of the Court (First Chamber) of 21 December 2021 (request for a preliminary ruling from the Landesgericht Korneuburg — Austria) — Airhelp Limited v Laudamotion GmbH (Reference for a preliminary ruling — Air transport — Regulation (EC) No 261/2004 — Common rules on compensation and assistance to passengers in the event of cancellation or long delay of flights — Article 2(l) — Article 5(1)(c) — Flight booked through an online platform — Flight departure time brought forward by the operating air carrier — Classification — Receipt of notification of the flight being brought forward sent to an electronic address not belonging to the passengers concerned — Directive 2000/31/EC — Electronic commerce — Article 11 — Presumption of receipt — Scope of the operating air carrier’s obligation to provide information)