Court of Justice (Grand Chamber) 23 January 2018, C-367/16 (Dawid Piotrowski.)

JUDGMENT OF THE COURT (Grand Chamber) 23 January 2018 ( *1 ) (Reference for a preliminary ruling — Police and judicial cooperation in criminal matters — Framework Decision 2002/584/JHA — European arrest warrant — Surrender procedures between Member States — Grounds for mandatory non-execution — Article 3(3) — Minors — Requirement to verify the minimum age at which a minor may be regarded as