UNRWA is a subsidiary organ of the United Nations. The Agency's chief officer, the Commissioner-General, is appointed by the UN Secretary-General after consultation with UNRWA’s Advisory Commission and is the only head of a United Nations body to report directly to the General Assembly. The Advisory Commission meets annually to review Agency activities. Its membership consists of Australia, Belgium, Canada, Denmark, Egypt, France, Germany, Italy, Japan, Jordan, Lebanon, Netherlands, Norway, Saudi Arabia, Spain, Sweden, Switzerland, the Syrian Arab Republic, Turkey, the United Kingdom and the United States. The EC, League of Arab States and Palestine Liberation Organization attend as observers.