Case C-447/24, Höldermann: Judgment of the Court (Fifth Chamber) of 21 May 2026 (request for a preliminary ruling from the Kammergericht – Germany) – Criminal proceedings against Staatsanwaltschaft Berlin (Reference for a preliminary ruling – Judicial cooperation in criminal matters – Framework Decision 2008/909/JHA – Mutual recognition of judgments in criminal matters imposing custodial sentences or measures involving deprivation of liberty – Grounds for non-recognition and non-enforcement – Article 9(1)(i) – Person concerned who did not appear in person at the trial resulting in his or her conviction – Exceptions – Mandate conferred by the person concerned on a legal counsellor to defend that person at his or her trial and accept service of documents addressed to that person – Information regarding the scheduled date of the hearing and place of that trial – Voluntary and unequivocal waiver by the person concerned of the right to appear in person at that trial – Discretion of the competent authority of the executing Member State – Obligation to interpret national law in conformity with EU law)