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 — Geographical prolongation — Regional considerations — Treaties with third States — Conduct — Fisheries — Method of adjustment of initial equidistance line

Sea — Continental shelf — Outer continental shelf — Whether claim by State to continental shelf beyond 200 nautical miles relevant to boundary within 200 nautical miles — Claim by State to outer continental shelf overlapping with neighbouring State’s claim to exclusive economic zone

Sea — Fisheries — Historic fishing rights — Proof — Whether historic rights established — Whether historic rights relevant to location of single maritime boundary — Regime of access to fish in waters of neighbouring State

Arbitration — Jurisdiction — Law of the sea — UNCLOS Part XV and Annex VII — Dispute settlement mechanism — Arbitration as default choice — Jurisdiction — Fisheries — Outer continental shelf

Treaties — Unilateral commitments — Statement made by agent of State before international tribunal — Whether creating binding legal obligation for State