Gabon is a member of the United Nations (UN) and some of its specialized and related agencies, as well as of the World Bank; the IMF; the African Union (AU); the Central African Customs Union/Central African Economic and Monetary Community (UDEAC/CEMAC); EU/ACP association under the Lomé Convention; the Communaute Financiere Africaine (CFA); the Organization of the Islamic Conference (OIC); the Nonaligned Movement; and the Economic Community of Central African States (ECCAS/CEEAC), among others. In 1995, Gabon withdrew from the Organization of the Petroleum Exporting Countries (OPEC), rejoining in 2016. Gabon was elected to a non-permanent seat on the United Nations Security Council for January 2010 through December 2011 and held the rotating presidency in March 2010.