Case C-634/17: Judgment of the Court (Fifth Chamber) of 23 May 2019 (request for a preliminary ruling from the Verwaltungsgericht Oldenburg — Germany) — ReFood GmbH & Co. KG v Landwirtschaftskammer Niedersachsen (Reference for a preliminary ruling — Environment — Shipments of waste within the European Union — Regulation (EC) No 1013/2006 — Article 1(3)(d) — Scope — Regulation (EC) No 1069/2009 — Shipments of animal by-products)