Opinion of Advocate General Sharpston delivered on 17 September 2019.#NJ.#Request for a preliminary ruling from the Kammergericht Berlin.#Reference for a preliminary ruling — Urgent preliminary ruling procedure — Police and judicial cooperation in criminal matters — European arrest warrant — Framework Decision 2002/584/JHA — Article 1(1) — Concept of ‘European arrest warrant’ — Minimum requirements on which validity depends — Article 6(1) — Concept of ‘issuing judicial authority’ — European arrest warrant issued by the public prosecutor’s office of a Member State — Status — Whether subordinate to a body of the executive — Power of a Minister for Justice to issue instructions in a specific case — Certification of the European arrest warrant by a court before its transmission.#Case C-489/19 PPU.