Provisional text JUDGMENT OF THE COURT (Grand Chamber) 18 January 2022 (*) (Reference for a preliminary ruling – Citizenship of the Union – Articles 20 and 21 TFEU – Scope – Renunciation of the nationality of one Member State in order to obtain the nationality of another Member State in accordance with the assurance given by the latter to naturalise the person concerned – Revocation of that assurance on grounds of public policy or public security – Principle of proportionality – Statelessness) In Case C‑118/20, REQUEST for a preliminary ruling under Article 267 TFEU from the Verwaltungsgerichtshof (Supreme Administrative Court, Austria) made by decision of 13 February 2020, received at the Court on 3 March 2020, in the proceedings JY v Wiener Landesregierung, THE COURT (Grand Chamber), composed of K. Lenaerts, President, A. Arabadjiev, A. Prechal, K. Jürimäe, C. Lycourgos (Rapporteur), S. Rodin, I. Jarukaitis, Presidents of Chambers, F. Biltgen, P.G. Xuereb, N. Piçarra and L.S. Rossi, Judges, Advocate General: M. Szpunar, Registrar: D. Dittert, Head of Unit, having regard to the written procedure and further to the hearing on 1 March 2021, after considering the observations submitted on behalf of: – JY, by G. Klammer and E. Daigneault, Rechtsanwälte, – the Austrian Government, by A. Posch, D. Hudsky, J. Schmoll and E. Samoilova, acting as Agents, – the Estonian Government, by N. Grünberg, acting as Agent, – the French Government, by A.-L. Desjonquères, N. Vincent and D. Dubois, acting as Agents, – the Netherlands Government, by J.M. Hoogveld, acting as Agent, – the European Commission, by S. Grünheid and E. Montaguti, acting as Agents, after hearing the Opinion of the Advocate General at the sitting on 1 July 2021, gives the following Judgment