55In so far as Article 65(1)(a) TFEU is a derogation from the fundamental principle of the free movement of capital, it must be interpreted strictly. It cannot therefore be interpreted as meaning that all tax legislation which draws a distinction between taxpayers based on their place of residence or the State in which they invest their capital is automatically compatible with the Treaty (see Case C-11/07 Eckelkamp and Others [2008] ECR I-6845, paragraph 57; Case C-510/08 Mattner [2010] ECR I-3553, paragraph 32; and Haribo Lakritzen Hans Riegel and Österreichische Salinen, paragraph 56).
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