The International Tribunal for the Law of the Sea (ITLOS) is an international legal organization established in 1996 under the United Nations Convention on the Law of the Sea, headquartered in Hamburg, Germany, primarily responsible for adjudicating law of the sea ITLOS is an international legal organization established in 1996 under the United Nations Convention on the Law of the Sea. ITLOS is an international legal organization established in 1996 under the United Nations Convention on the Law of the Sea;