Court of Justice 5 March 2026, C-158/25 (QJ v Administration de l'enregistrement, des domaines et de la TVA (AEDT) and État du Grand-duché de Luxembourg.)

Provisional text OPINION OF ADVOCATE GENERAL MEDINA delivered on 5 March 2026 (1) Case C‑158/25 QJ v Administration de l’enregistrement, des domaines et de la TVA, État du Grand-duché de Luxembourg (Request for a preliminary ruling from the Cour de cassation (Luxembourg)) ( Preliminary ruling – Charter of Fundamental Rights of the European Union – Right to an effective remedy – System of joint