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This report studies the interface of competencies of the International Seabed Authority (ISA) and the International Maritime Organization (IMO) with respect to activities in the international seabed area (the Area). The study is undertaken within the context of Part XI of the United Nations Convention on the Law of the Sea (UNCLOS), 1982 the Part XI Implementation Agreement, 1994 and the Seabed Disputes Chamber’s Advisory Opinion on Responsibilities and Obligations of States with respect to Activities in the Area, 2011. The report has been prepared against the backdrop of the agreement on cooperation concluded between ISA and IMO in 2016.