In reaction to the incorporation of Crimea into the Russian Federation, I had written that the use of Russian armed force against Ukraine is contrary to one of the most fundamental principles of contemporary international law and can be qualified as an “aggression” (Le Monde, 14 March 2014). This applies all the more to the use of armed…

In 2018, a photo exhibition illustrating 70 years of ILC activities was shown in New York and Geneva, and later in Bangkok, The Hague and Washington. In view of its success, the Codification Division, which organised the exhibition – and which ensures the Commission’s secretariat – has taken the initiative of publishing a brilliantly illustrated and intelligently commented…

On 16 December 2013, by adopting resolution 68/111, the General Assembly completed a 21-year study on the codification and progressive development of the law on reservations to treaties. In its resolution, the GA takes note of the Guide to Practice on Reservations to Treaties, the text of which had been adopted by the International Law Commission (ILC) on…