Case C-496/17: Judgment of the Court (Third Chamber) of 16 January 2019 (request for a preliminary ruling from the Finanzgericht Düsseldorf — Germany) — Deutsche Post AG v Hauptzollamt Köln (Reference for a preliminary ruling — Customs union — The Union Customs Code — Article 39 — Status of authorised economic operator — Implementing Regulation (EU) 2015/2447 — The second subparagraph of Article 24(1) — Applicant not a natural person — Questionnaire — Collection of personal data — Directive 95/46/EC — Articles 6 and 7 — Regulation (EU) 2016/679 — Articles 5 and 6 — Processing of personal data)