Case C-271/17 PPU: Judgment of the Court (Fifth Chamber) of 10 August 2017 (request for a preliminary ruling from the Rechtbank Amsterdam — Netherlands) — Execution of a European arrest warrant issued against Sławomir Andrzej Zdziaszek (Reference for a preliminary ruling — Urgent preliminary ruling procedure — Police and judicial cooperation in criminal matters — European arrest warrant — Framework Decision 2002/584/JHA — Surrender procedures between Member States — Conditions for execution — Grounds for optional non-execution — Article 4a(1) of Framework Decision 2009/299/JHA — Arrest warrant issued for the purpose of executing a custodial sentence or a detention order — ‘Trial resulting in the decision’ — Legal proceedings amending or combining a sentence passed previously — Decision handing down a cumulative sentence — Decision handed down without the person concerned having appeared in person — Person convicted not having appeared in person at the trial in the context of his initial conviction, either at first instance or on appeal — Person represented by a legal counsellor in the appeal proceedings — Arrest warrant not providing any information in that regard — Consequences for the executing judicial authority)