Arab League Secretary-General Nabil al-Arabi headed takes part in the 66th regular session of the United Nations General Assembly (UNGA) due to be held at the UN Headquarters, in New York. In accordance with rule 1 of the procedure of the United Nations, the General Assembly shall meet every year in regular session commencing on the Tuesday of the third week in September, counting from the first week that contains at least one working day. This year, the 66th session of the General Assembly will run from September 13 to December 20, 2011.