Sustainable fisheries, including through the 1995 Agreement for the Implementation of the Provisions of the United Nations Convention on the Law of the Sea of 10 December 1982 relating to the Conservation and Management of Straddling Fish Stocks and Highly Migratory Fish Stocks, and related instruments A/RES/73/125 specific concern, taking into account existing guidelines developed by the Food and Agriculture Organization of the United Nations; 20. Further encourages States to enhance or develop observer programmes, individually or through regional fisheries management organizations or arrangements, in order to improve data collection on, inter alia, target and by-catch species, which could also assist monitoring, control and surveillance tools, and to take int o account standards, forms of cooperation and other existing structures for such programmes as described in article 25 of the Agreement and article 5 of the Code; 21. Calls upon, in this regard, States, individually in line with their national legislation or through regional fisheries management organizations or arrangements, to take steps as appropriate to ensure the safety of observers; 22. Encourages States to implement, individually and through regional fisheries management organizations and arrangements, accurate, complete, reliable and effective data collection and reporting of required data on catches, including by-catch and discards, reviewing and validating the data, and providing catch information in support of scientific stock assessment and eco system approaches to fisheries management; 23. Calls upon States and regional fisheries management organizations and arrangements to collect and, where appropriate, report to the Food and Agriculture Organization of the United Nations required catch and e ffort data, and fishery-related information, in a complete, accurate and timely way, including for straddling fish stocks and highly migratory fish stocks within and beyond areas under national jurisdiction, discrete high seas fish stocks, and by-catch and discards; and, where they do not exist, to establish processes to strengthen data collection and reporting by members of regional fisheries management organizations and arrangements, including through regular reviews of member compliance with such obligat ions, and, when such obligations are not met, require the member concerned to rectify the problem, including through the preparation of plans o f action with timelines; 24. Invites States and regional fisheries management organizations and arrangements to cooperate with the Food and Agriculture Organization of the United Nations in the implementation and further development of the Fisheries Resou rces Monitoring System initiative; 25. Reaffirms paragraph 10 of its resolution 61/105 of 8 December 2006, and calls upon States, including through regional fisheries management organizations or arrangements, to urgently adopt and implement measures to fully implement the International Plan of Action for the Conservation and Management of Sharks for directed and non-directed shark fisheries, based on the best available scientific information, through, inter alia, limits on catch or fishing effort, by requiring that vessels flying their flag collect and regularly report data on shark catches, including species-specific data, discards and landings, undertaking, including through international cooperation, comprehensive stock assessments of sharks, reducing shark by-catch and by-catch mortality and, where scientific information is uncertain or inadequate, not increasing fishing effort in directed shark fisheries and urgently establishing science-based management measures to ensure the long-term conservation, management and sustainable use of shark stocks and to prevent furt her declines of vulnerable or threatened shark stocks, and encourages the full utilization of dead sharks caught in the context of sustainably managed fisheries; 26. Calls upon States to take immediate and concerted action to improve the implementation of and compliance with existing regional fisheries management organizations or arrangements and national measures that regulate shark fisheries a nd incidental catch of sharks, in particular those measures which prohibit or restrict 18-21628 11/40