The high-migratory fish is a term that has its origin in the United Nations Convention on the Law of the Sea. It concerns fish species that carry out ocean migrations and also have a wide geographical coverage, and generally refers to tuna and tuna species, shark, marlin and swordfish. Inter-territorial fish stocks are particularly vulnerable to overfishing due to inefficient management regimes and non-respect for fisheries interests. The Agreement on Straddling Fish Stocks (the Agreement on the Implementation of the Provisions of the United Nations Convention on the Law of the Sea of 10 December 1982 concerning the Conservation and Management of Straddling Fish Stocks and Highly Migratory Fish Stocks) is a multilateral treaty established by the United Nations to improve the cooperative management of fishery resources in large areas. and are of economic and environmental importance to a number of nations. As of December 2016, the treaty has been ratified by 91 parties, including 90 states and the European Union.  (g) Assistance in the assumption of costs in dispute settlement procedures between States Parties to the Convention on the Interpretation or Application of the Convention in accordance with Part VIII of the Agreement or the procedure for the interpretation or application of a subregional, regional or global fisheries agreement relating to straddling fish stocks or highly migratory fish stocks to which they are Parties, including all disputes relating to the conservation and management of such stocks, and in addition to any assistance provided under the ITLOS Trust Fund established by General Assembly resolution 55/7 or the Trust Fund established by General Assembly resolution 47/444 or the Financial Assistance Fund established by the Permanent Court of Arbitration. (c) to renegotiate ongoing and future negotiations for the establishment of new regional or subregional fisheries organizations and arrangements in areas where such bodies are not present, to renegotiate the founding agreements for such organizations and arrangements and to strengthen existing subregional and regional fisheries organizations and arrangements in accordance with the Agreement. . Contributions to the Assistance Fund The United Nations and FAO invite States, intergovernmental organizations, international financial institutions, national institutions, non-governmental organizations and natural and legal persons to make voluntary financial contributions to the Fund. Particular attention is paid to the possible participation of donor agencies as contributors to the Fund, as indicated in General Assembly resolution 58/14.