52In that regard, it must be stated that the principle of the protection of legitimate expectations cannot be relied upon against an unambiguous provision of European Union law; nor can the conduct of a national authority responsible for applying European Union law, which acts in breach of that law, give rise to a legitimate expectation on the part of a trader of beneficial treatment contrary to European Union law (see Joined Cases C-31/91 to C-44/91 Lageder and Others [1993] ECR I-1761, paragraph 35; Case C-94/05 Emsland-Stärke [2006] ECR I-2619, paragraph 31; and Case C-153/10 Sony Supply Chain Solutions (Europe) [2011] ECR I-2775, paragraph 47).
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