Artikel 50

1. The official languages of the Court shall be Arabic, Chinese, English, French, Russian and Spanish. The judgements of the Court, as well as other decisions resolving fundamental issues before the Court, shall be published in the official languages. The Presidency shall, in accordance with the criteria established by the Rules of Procedure and Evidence, determine which decisions may be considered as resolving fundamental issues for the purposes of this paragraph.
2. The working languages of the Court shall be English and French. The Rules of Procedure and Evidence shall determine the cases in which other official languages may be used as working languages.
3. At the request of any party to a proceeding or a State allowed to intervene in a proceeding, the Court shall authorize a language other than English or French to be used by such a party or State, provided that the Court considers such authorization to be adequately justified.