Article 12 3.

The language referred to in paragraph 1 shall be the official language of the Union that is most widely studied as a foreign language by users across the Union. By way of exception, where the information, explanations or instructions to be translated are expected to be of predominant interest for cross-border users originating from one other Member State, the language referred to in paragraph 1 may be the official language of the Union used as the first language by those cross-border users.