the field of International Arbitration have analysed these updated frameworks - i.e., the ICSID Arbitration Rules, the Conciliation Rules, the Institution Rules as well as the Administrative and Financial Regulations - provision by provision to offer practical and theoretical guidance for experienced lawyers, as well as beginners in the field alike. The Commentary also provides detailed background information on the amendment procedure of each provision and gives insight into whether, and if yes, which, existing case law remains relevant to the application of the new Rules and Regulations. The Commentary is rounded off with reflections on various perspectives of ICSID arbitration. The Advantages At A Glance * up-to-date * comprehensible * with a practical focus The Target Group For counsel, arbitrators and academics involved in international investment arbitration.