26According to the fourth subparagraph of Article 3(3) TEU and Article 22 of the Charter of Fundamental Rights of the European Union, the Union must respect its rich cultural and linguistic diversity. In accordance with Article 4(2) TEU, the Union must also respect the national identity of its Member States, which includes protection of the official language or languages of those States (see, to that effect, Runevič-Vardyn and Wardyn, paragraph 86).
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