The FSM participates in such regional organizations as the South Pacific Commission (SPC), and South Pacific Forum. In 1992, the FSM became a member of ESCAP. It also participates in the activities of other UN agencies, including IMF, UNCTAD, and WHO. In 1999, FSM signed the constitution of the United Nations Educational, Scientific and Cultural Organization (UNESCO) to become the 188th member of that agency. The government maintains overseas offices in Washington, D.C., Tokyo, Honolulu, and Guam.