Joined Cases C-715/17, C-718/17 and C-719/17: Judgment of the Court (Third Chamber) of 2 April 2020 — European Commission v Republic of Poland, Commission v Hungary, Commission v Czech Republic (Failure of a Member State to fulfil obligations — Decisions (EU) 2015/1523 and (EU) 2015/1601 — Article 5(2) and 5(4) to 5(11) of each of those decisions — Provisional measures in the area of international protection for the benefit of Italy and of Greece — Emergency situation characterised by a sudden influx of third-country nationals into certain Member States — Relocation of those nationals to other Member States — Relocation procedure — Obligation on the Member States to indicate at regular intervals, and at least every three months, the number of applicants for international protection who can be relocated swiftly to their territory — Consequent obligations leading to actual relocation — Interests of the Member States linked to national security and public order — Possibility for a Member State to rely on Article 72 TFEU in order not to apply EU legal acts of a binding nature)