This yearbook documents the International Court of Justice's activities and cases from 1999-2000. The publication details cases concerning territorial rights, the law of the sea, and treaty interpretation, providing a comprehensive overview of the Court's judicial work during that period. It also includes a review of publications issued by the Court throughout the year, offering insight into its scholarly output. Additionally, separate volumes are available that contain detailed reports of judgments, advisory opinions, orders, and pleadings for each case.

As an official annual record, this publication serves as a primary source for legal scholars, international relations experts, and practitioners interested in the International Court of Justice's jurisprudence. Its detailed case summaries and review of publications offer valuable insights into the legal issues addressed by the Court during the 1999-2000 period. The inclusion of separate volumes for judgments, opinions, and pleadings ensures comprehensive access to the Court's decisions and proceedings. This yearbook is an essential reference for understanding the evolution of international law as interpreted by the Court.