For nearly 50 years, Eileen Denza's Diplomatic Law has been the go-to reference on the Vienna Convention on Diplomatic Relations, used by ministries of foreign affairs and cited by courts worldwide. The 1961 Vienna Convention codifies the rules for exchange of embassies and the conduct of diplomatic missions worldwide, with the rules giving special protection to ambassadors among the oldest established in international law and respected almost everywhere. Understanding the Convention as a living instrument requires knowledge of its background in customary international law, the negotiating history clarifying its terms, and the subsequent practice of states and court decisions resolving ambiguities. Now in its fifth edition, Diplomatic Law continues to be an essential guide to changing methods of modern diplomacy, providing an article-by-article commentary and placing each provision in context. The book highlights important new trends in the application of the Convention and provides