Order of the Court (Sixth Chamber) of 16 February 2023.#Dunaj-Finanse sp. z o.o. v KG.#Request for a preliminary ruling from the Sąd Rejonowy dla Warszawy - Śródmieścia w Warszawie.#Reference for a preliminary ruling – Article 99 of the Rules of Procedure of the Court of Justice – Rail transport – Passengers’ rights and obligations – Regulation (EC) No 1371/2007 – Article 3(8) – Transport contract – Concept – Passenger without a ticket at the time of boarding a train