Judgment of the Court (Seventh Chamber) of 23 April 2020.#Ryanair Ltd and Autorità Garante della Concorrenza e del Mercato - Antitrust v Autorità Garante della Concorrenza e del Mercato - Antitrust and Others.#Request for a preliminary ruling from the Consiglio di Stato.#Reference for a preliminary ruling — Transport — Air services — Regulation (EC) No 1008/2008 — Article 23(1) — Indication of the final price to be paid — Online passenger check-in fees — VAT — Administrative fees for purchases made by means of a credit card other than that approved by the air carrier — Unavoidable and foreseeable elements of the final price to be paid — Optional price supplements