33According to settled case-law, the pursuit of an activity as an employed person or the provision of services for remuneration must be regarded as an economic activity within the meaning of Article 2 of the EC Treaty (now, after amendment, Article 2 EC), provided that the work performed is genuine and effective and not such as to be regarded as purely marginal and ancillary (see, inter alia, Joined Cases C-51/96 and C-191/97 Deliège [2000] ECR I-2549, paragraphs 53 and 54).
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