Reference for a preliminary ruling — Citizenship of the Union — Extradition to a third State of a national of a Member State who has exercised his right to freedom of movement — Scope of EU law — Protection of a Member State’s nationals against extradition — No protection for nationals of the other Member States — Restriction of freedom of movement — Justification based on the prevention of impunity — Proportionality — Verification of the guarantees provided for in Article 19 of the Charter of Fundamental Rights of the European Union

Judicial cooperation in criminal matters — Law governing the enforcement of a sentence — Interpretation of a national rule of the executing State providing for reduction of a custodial sentence on account of work carried out by the sentenced person while detained in the issuing State — Legal effects of framework decisions — Obligation to interpret national law in conformity with EU law

Controls of cash entering or leaving the European Union — Regulation (EC) No 1889/2005 — Breach of the obligation to declare — Proportionality of penalties — Free movement of capital and payments

See also case C-707/17 (Daniela Pinzaru, Robert-Andrei Cirstinoiu) and Joined cases C-335/18 and C-336/18 (AK and EP)

Electronic communications — Directive 2006/24/EC — Publicly available electronic communications services or public communications networks services — Retention of data generated or processed in connection with the provision of such services — Validity — Articles 7, 8 and 11 of the Charter of Fundamental Rights of the European Union

Police and judicial cooperation in criminal matters – European arrest warrant – Surrender procedures between Member States – Decisions rendered at the end of proceedings in which the person concerned has not appeared in person – Execution of a sentence pronounced in absentia – Possibility of review of the judgment

Framework Decision 2002/584/JHA – European arrest warrant and surrender procedures between Member States – European arrest warrant issued for the purposes of prosecution – Grounds for refusing execution - Interpretation of the Framework Decision in conformity with fundamental rights

Convention implementing the Schengen Agreement – Articles 54 and 71 – Ne bis in idem principle – Application ratione temporis – Concept of ‘the same acts’ – Import and export of narcotic drugs subject to legal proceedings in different Contracting States

Investigation by the European Anti-Fraud Office (OLAF) into the publication of confidential information - Suspicions of bribery and breach of professional secrecy - Communication to national judicial authorities of information relating to situations liable to lead to criminal proceedings - Search of the home and office of a journalist - Action for annulment - Admissibility - Action for damages - Causal link - Sufficiently serious breach.

Convention implementing the Schengen Agreement - Ne bis in idem principle - Scope - Decisions by which the Public Prosecutor definitively discontinues criminal proceedings, without the involvement of a court, once the accused has satisfied certain conditions

REFERENCES to the Court under Article 35 EU by the Oberlandesgericht Köln (Germany) and the Rechtbank van eerste aanleg te Veurne (Belgium) for a preliminary ruling in the criminal proceedings before those courts against

Hüseyin Gözütok (C-187/01)

and

Klaus Brügge (C-385/01),

on the interpretation of Article 54 of the Convention implementing the Schengen Agreement of 14 June 1985 between the Governments of the States of the Benelux Economic Union, the Federal Republic of Germany and the French Republic on the gradual abolition of checks at their common borders (OJ 2000 L 239, p. 19), signed on 19 June 1990 at Schengen (Luxembourg),