Arbitration — Jurisdiction — Law of the sea — UNCLOS Part XV and Annex VII — Dispute settlement mechanism — Arbitration as default choice — Jurisdiction — Claims relating to State responsibility for use of force — Whether arbitration tribunal possessing jurisdiction to apply Charter of the United Nations and general international law

Sea — Continental shelf — Exclusive economic zone — Contemporary international law — UNCLOS Articles 74 and 83 — Legal basis on which title to maritime territories based — Maritime boundaries — Single maritime boundary — Legal principles applicable to delimitation — Equidistance — Relevant circumstances — Conduct

Sea — Territorial sea — UNCLOS Article 15 — Special circumstances justifying departure from the median line — Equitable principles — Practice of the Parties — Navigation — Effect of one coastal State’s sovereignty over the whole of river dividing territory

Sea — Disputes — Duties of States party to dispute over maritime boundary — UNCLOS Articles 74(3) and 83(3) — Duty to make every effort to enter into provisional arrangements of a practical nature — Duty to make every effort not to jeopardize or hinder the reaching of a final agreement

War and armed conflict — Force — Use or threat of force — Charter of the United Nations — General international law — Nature of threat to use force — Distinction between military action and law enforcement — Countermeasures