This 47th edition, updated to 31 May 2009, brings together into one volume essential documents concerning the governance of the World Health Organization, including the Constitution, Rules of Procedure of both the World Health Assembly and the Executive Board, as well as Financial and Staff Regulations. It also includes Regulations for Expert Advisory Panels and Committees and for Study and Scientific Groups, the texts of agreements with the United Nations and other agencies, the Convention on the Privileges and Immunities of the Specialized Agencies, the Statute of the International Agency for Research on Cancer, and the principles governing relations with nongovernmental organizations. It list Members and Associate Members of the World Health Organization.