Judgment of the Court (Tenth Chamber) of 24 October 2019.#Autorità Garante della Concorrenza e del Mercato v Regione autonoma della Sardegna.#Request for a preliminary ruling from the Tribunale Amministrativo Regionale per la Sardegna.#Reference for a preliminary ruling — Regulation (EC) No 1370/2007 — Public passenger transport services — Rail transport — Public service contracts — Direct award — Obligation to publish a prior information notice in relation to the direct award