Case C-326/17: Judgment of the Court (Fourth Chamber) of 24 January 2019 (request for a preliminary ruling from the Raad van State — Netherlands) — Directie van de Dienst Wegverkeer (RDW) v X, Y and X, Y v Directie van de Dienst Wegverkeer (RDW) and Directie van de Dienst Wegverkeer (RDW) v Z (Reference for a preliminary ruling — Directive 1999/37/EC — Registration documents for vehicles — Omissions in the registration certificates — Mutual recognition — Directive 2007/46/EC — Vehicles manufactured prior to EU harmonisation of technical requirements — Alterations having an impact on the technical characteristics of the vehicle)