This volume contains the summary records of the meetings of the International Law Commission on its fifty-fifth session (3 May 6 June and 7 July 8 August 2003). The issues discussed at that session included: unilateral acts of states, diplomatic protection, state responsibility, reservations to treaties and international liability for injurious consequences arising out of acts not prohibited by international law.

This volume contains the report of the International Law Commission on the work of its fifty-fifth session. Volume II (Part I) contains reports of special rapporteurs and other documents considered during the session.

This book contains the work of the United Nations International Law Commission (ILC) during the period 1999-2009, brining up to date the three-volume series on the work of the Commission edited by Sir Arthur Watts. Each text is accompanied by an introduction, a concise description of the negotiation process and a carefully selected bibliography.