Judgment of the Court (Grand Chamber) of 14 May 2020.#FMS and Others v Országos Idegenrendészeti Főigazgatóság Dél-alföldi Regionális Igazgatóság and Országos Idegenrendészeti Főigazgatóság.#Reference for a preliminary ruling — Asylum and immigration policy — Directive 2013/32/EU — Application for international protection — Article 33(2) — Grounds of inadmissibility — Article 40 — Subsequent applications — Article 43 — Border procedures — Directive 2013/33/EU — Article 2(h) and Articles 8 and 9 — Detention — Whether lawful — Directive 2008/115/EU — Article 13 — Effective remedies — Article 15 — Detention — Whether lawful — Right to an effective remedy — Article 47 of the Charter of Fundamental Rights of the European Union — Principle of primacy of EU law.#Joined Cases C-924/19 PPU and C-925/19 PPU.