International Court of Justice — Jurisdiction — Compromissory clause contained in bilateral treaty — Whether conditions for exercise of jurisdiction satisfied — Exercise of jurisdiction — Whether jurisdiction restricted to delimitation of the exclusive economic zone and continental shelf

Treaties — Interpretation — Multilateral treaty — United Nations Convention on the Law of the Sea, 1982 (“UNCLOS”) — UNCLOS Articles 74 and 83 — Vienna Convention on the Law of Treaties, 1969 — Article 31 of Vienna Convention — General rule of interpretation — Reservations and declarations — UNCLOS Article 310 — Declaration by Romania regarding effect of uninhabited islands devoid of economic life upon delimitation of maritime spaces

Treaties — Interpretation — Bilateral treaties — Procès-Verbaux concluded between Romania and Soviet Union — Treaty between Parties concluded in 2003 — Whether concerning the delimitation of the exclusive economic zone and continental shelf

Sea — Exclusive economic zone — Continental shelf — Delimitation of maritime boundaries between opposite and adjacent coastal States — Geographical context — Enclosed sea — Governing law — UNCLOS Articles 74(1) and 83(1) and (4) — Practical approach to delimitation to achieve equitable solution — Application of equidistance/relevant circumstances approach — Three-stage approach — Relevant coasts — Baselines — Provisional equidistance line — Whether requiring adjustment — Relevant geographical circumstances