Case C-665/18: Order of the Court (Ninth Chamber) of 4 June 2019 (request for a preliminary ruling from the Fővárosi Közigazgatási és Munkaügyi Bíróság — Hungary) — Pólus Vegas Kft. v Nemzeti Adó- és Vámhivatal Fellebbviteli Igazgatósága (Reference for a preliminary ruling — Article 53(2) and Article 99 of the Rules of Procedure of the Court of Justice — Freedom to provide services — Restrictions — Games of chance — National taxes on the operation of slot machines in amusement arcades — National legislation increasing the amount of a tax five-fold and introducing an additional tax)