C-268/17AY

Domstolens egne nøkkelord

Reference for a preliminary ruling — Judicial cooperation in criminal matters — European arrest warrant — Framework Decision 2002/584/JHA — Article 1(2), Article 3(2) and Article 4(3) — Grounds for the refusal to execute — Closure of criminal proceedings — Principle ne bis in idem — Requested person who had the status of a witness in previous proceedings concerning the same acts — Issue of several European arrest warrants against the same person.

Tolker