This is the authoritative, article-by-article account of the legislative history, interpretation, and practical application of each and every United Nations Charter provision. Written by a team of distinguished scholars and practitioners, this book is the product of a combination of academic research with the insights of practice, and is an indispensable work of reference for all those interested in this significant international organization. The Commentary will be crucial in providing new directions for the development of international law and the United Nations in the twenty-first century.