“…strative authorisation such as a work permit (Joined Cases C317/01 and 369/01 Abatay and Sahin [2005] 1 CMLR 50), a rule requiring pre-arrival entry clearance (Case C-16/05 R (Tum) v Secretary of State for the Home Department [2008] 1 WLR 94), a visa requirement (Case C-228/06 Soysal v Germany [2009] 2 CMLR 47) and charges for res…”
“…Abuse of law is recognised as a general principle of EU law: see case C-321/05 Kofoed v Skatteministeriet EU:C:2007:408; [2007] ECR I-5795, at [38]; Case C-16/05 Tum and Dari v Secretary of State for the Home Department EU:C:2007:530; [2007] ECR I-7415, [64]; and Revenue and Customs Commissioners v Pendragon plc [2015] …”