18Lastly, as regards the relevance of the reference made in the question to Article 18 TFEU, which lays down a general prohibition of all discrimination on grounds of nationality, it should be noted that that provision applies independently only to situations governed by EU law for which the TFEU lays down no specific rules of non-discrimination (Case C-311/08SGI [2010] ECR I-487, paragraph 31 and the case-law cited, and Case C-97/09Schmelz [2010] ECR I-10465, paragraph 44).