Case C-97/19: Judgment of the Court (Second Chamber) of 16 July 2020 (request for a preliminary ruling from the Finance Court Düsseldorf — Germany) — Pfeifer & Langen GmbH & Co. KG v Hauptzollamt Köln (Reference for a preliminary ruling — Customs Code — Customs declarations — Article 78 of that code — Revision of the customs declaration — Name of the declarant — Amendment of information relating to the identity of the declarant seeking to show that there is a relationship of indirect representation — Indirect representation of the person who has obtained an import licence)