Joined Cases C-21/19 to C-23/19: Judgment of the Court (Fifth Chamber) of 3 September 2020 (requests for a preliminary ruling from the Gerechtshof Arnhem-Leeuwarden — Netherlands) — Criminal proceedings against XN (C-21/19), YO (C-22/19), P.F. Kamstra Recycling BV (C-23/19) (Reference for a preliminary ruling — Waste — Shipments — Regulation (EC) No 1013/2006 — Waste subject to the prior written notification and consent procedure — Article 1(3) — Shipments subject to approval requirements — Directive 2008/98/EC — Article 5(1) — Concept of ‘by-products’ — Regulation (EC) No 1069/2009 — Article 3, point 1 — Concept of ‘animal by-products’ — Shipments of a mixture of animal by-products and other material)