A/RES/58/14 obligations pursuant to international agreements, in particular the Compliance Agreement; 22. Invites the International Maritime Organization and other relevant competent international organizations to study, examine and clarify the role of the “genuine link” in relation to the duty of flag States to exercise effective control over ships flying their flag, including fishing vessels; 23. Calls upon flag and port States to take all measures consistent with international law necessary to prevent the operation of sub-standard vessels and illegal, unreported and unregulated fishing activities; 24. Encourages States in their work with regional and subregional fisheries management organizations and arrangements to develop and implement vessel monitoring systems and, where appropriate and consistent with international law, trade monitoring schemes; 25. Urges States to develop and implement national and, where appropriate, regional plans of action, to put into effect by 2004 the International Plan of Action to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing and to establish effective monitoring, reporting and enforcement and control of fishing vessels, including by flag States, to further the International Plan of Action; 26. Urges relevant regional and subregional fisheries management organizations and arrangements to implement effective measures against illegal, unreported and unregulated fishing, inter alia, by compiling a record of vessels authorized to fish in their area of competence, in accordance with the Code; 27. Urges States to eliminate subsidies that contribute to illegal, unreported and unregulated fishing and to overcapacity, while completing the efforts undertaken at the World Trade Organization to clarify and improve its disciplines on fisheries subsidies, taking into account the importance of this sector to developing countries; 28. Commends the Food and Agriculture Organization of the United Nations for its activities in combating illegal, unreported and unregulated fishing, including its initiative to organize the intergovernmental technical consultation on illegal, unreported and unregulated fishing and fleet overcapacity, to be held in June 2004, and the intergovernmental technical consultation on the role of the port State in combating illegal, unreported and unregulated fishing, to be held in September 2004; 29. Recognizes the need for enhanced port State controls to combat illegal, unreported and unregulated fishing, urges States to cooperate, in particular at the regional level, and through regional and subregional fisheries management organizations and arrangements, as well as through participation, where appropriate, in the efforts of the Food and Agriculture Organization of the United Nations in cooperation with the International Maritime Organization to address substantive issues relating to the role of the port State, noting that such efforts include the elaboration of principles and guidelines for the establishment of regional memorandums of understanding on port State measures to prevent, deter and eliminate illegal, unreported and unregulated fishing; 7