This original commentary on the ICSID Convention, Regulations and Rules offers a new, forward-looking and highly practical interpretation of the Washington Convention and its associated documents. It is the first commentary to provide systematic article-by-article coverage not only of the Convention itself, but also of the institution and arbitration rules as well as the administrative and financial regulations. Key features include: Contributions from leading practitioners, academics and government officials in the field of international investment law and arbitration, drawn from different backgrounds and jurisdictions to give an exhaustive view of the topic Analysis of current thinking around proposed amendments to ICSID Rules, together with an examination of potential future developments in their interpretation and implementation Inclusion of the full text of the Convention, Regulations and Rules provided for ease of reference Detailed commentary on the Convention, Regulations and Rules, including up-to-date analysis of all significant case-law. Highly practical information and insights presented in an accessible format, ideal for use by Arbitration Tribunals. This unique and comprehensive work will be an essential resource for practising lawyers and policy-makers in the investment arbitration community. The book will also be an important reference work for researchers and academics in international investment law and international arbitration.