Joined Cases C-203/18 and C-374/18: Judgment of the Court (Third Chamber) of 21 November 2019 (requests for a preliminary ruling from the Oberve-waltungsgericht für das Land Nordrhein-Westfalen, Landgericht Köln — Germany) — Deutsche Post AG, Klaus Leymann v Land Nordrhein-Westfalen (C-203/18) and UPS Deutschland Inc. & Co. OHG, DPD Dynamic Parcel Distribution GmbH & Co. KG, Bundesverband Paket & Expresslogistik e.V. v Deutsche Post AG (C-374/18) (Reference for a preliminary ruling — Regulation (EC) No 561/2006 — Road transport — Social legislation — Vehicles used to deliver items as part of the universal postal service — Exceptions — Vehicles partly used for such delivery — Directive 97/67/EC — Article 3(1) — ‘Universal service’ — Concept)