This volume of the Yearbook reproduces in Part III A, which is devoted to arbitration rules of international and national institutions, new or amended international arbitration and conciliation rules from the American Arbitration Association, the Commercial Arbitration and Mediation Center for the Americas (CAMCA), the International Court of Arbitration of the International Chamber of Commerce and the Permanent Court of Arbitration. The trend of offering expedited arbitration services is represented in the rules for expedited arbitration of the Stockholm Chamber of Commerce and the Japan Shipping Exchange. UNCITRAL's latest contribution, Notes on Organizing Arbitral Proceedings, is also reproduced. Part IV on recent developments in arbitration law and practice focuses on the new arbitration acts in Brazil, Guatemala, Malta, New Zealand, Sri Lanka and Zimbabwe, all of which have been inspired by the UNCITRAL Model Law.