Joined Cases C-145/15 and C-146/15: Judgment of the Court (Eighth Chamber) of 17 March 2016 (requests for a preliminary ruling from the Raad van State — Netherlands) — K. Ruijssenaars, A. Jansen (C-145/15), J.H. Dees-Erf (C-146/15) v Staatssecretaris van Infrastructuur en Milieu (Air transport — Regulation (EC) No 261/2004 — Article 7 — Compensation payable to passengers in the event that their flight is cancelled or delayed by more than three hours — Article 16 — National bodies responsible for the enforcement of the regulation — Powers — Adoption of enforcement measures against the air carrier for payment of the compensation due to the passenger)