United Nations General Assembly currently meets under its president or secretary-general in annual sessions at the headquarters of the United Nations in New York City, the main part of which lasts from September to December and part of January until all issues are addressed (which often is just before the next session's start). It can also reconvene for special and emergency special sessions. Its composition, functions, powers, voting, and procedures are set out in Chapter IV of the United Nations Charter. The first session was convened on 10 January 1946 in the Methodist Central Hall in London and included representatives of 51 nations. Voting
Headquarters of the United Nations UN Plaza) are also part of headquarters. In addition, the Church Center for the United Nations (777 UN Plaza) is a private building owned by the United Methodist Church as an interfaith space housing the offices of several non-governmental organizations. The Office of Internal Oversight Services (OIOS) is located at 380 Madison Avenue. In October 2011 city and state officials announced an agreement in which the UN would be allowed to build a long-sought new office tower adjacent to the existing campus on the current Robert Moses Playground, which would be relocated. In exchange, the United Nations would allow the