Part Article 31 Working languages Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. Art. 11 para. 1-3 substituted for Sch. Art. 11 para. 1 2 by United Nations (International Tribunals) (Former Yugoslavia and Rwanda) 2012 art. 3 Sch. 2 Sch. Art. 13 para. 3 substituted by United Nations (International Tribunals) (Former Yugoslavia and Rwanda) 2012 art. 3 Sch. 2 The working languages of the International Tribunal shall be English and French. Part Article 31