CELEX:62021CA0528: Case C-528/21, M.D. (Ban on Entering Hungary): Judgment of the Court (Fourth Chamber) of 27 April 2023 (request for a preliminary ruling from the Fővárosi Törvényszék — Hungary) — M.D. v Országos Idegenrendészeti Főigazgatóság Budapesti és Pest Megyei Regionális Igazgatósága (Reference for a preliminary ruling — Immigration policy — Article 20 TFEU — Genuine enjoyment of the substance of the rights which flow from the status of EU citizenship — Article 47 of the Charter of Fundamental Rights of the European Union — Directive 2008/115/EC — Common standards and procedures in Member States for returning illegally staying third-country nationals — Articles 5, 11 and 13 — Direct effect — Right to an effective judicial remedy — Decision banning entry and stay adopted in respect of a third-country national, a family member of a minor EU citizen — Threat to national security — Failure to take into account the individual situation of that third-country national — Refusal to comply with a court decision suspending the effects of that prohibition decision — Consequences)