22 November 2009, Rome - Signing Ceremony of the Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing The first eleven FAO members?ngola, Brazil, Chile, the European Community, Indonesia, Iceland, Norway, Samoa, Sierra Leone, the United States and Uruguay?igned the treaty immediately following its approval by the Conference. The treaty is set to enter into force once 25 countries have ratified it. By signing the treaty, governments commit themselves to prevent, deter and eventually eliminate IUU fishing including by taking steps to guard their ports against vessels engaged in IUU fishing, thereby preventing fish from such vessels from entering international markets. FAO headquarters (Espace Gabon).