Economics, trade and finance — Economic sanctions — Enforcement — Maritime embargo — Jurisdiction to enforce — Yugoslavia — United Nations Security Council Resolution 820 (1993) — Implementation by European Communities — Prohibition on ships entering the territorial waters of the Federal Republic of Yugoslavia — Provision for forfeiture of ships and cargoes — Extent of prohibition

International organizations — United Nations — Security Council — Enforcement action — Economic sanctions — Decision under Chapter VII of the United Nations Charter — Duty to implement — United Nations Charter, Article 25 — Obligation to give effect to decision of Council prevailing over other international obligations — United Nations Charter, Article 103

Jurisdiction — Extraterritorial — Enforcement of sanctions imposed by United Nations Security Council Resolution 820 (1993) — Prohibition on ships entering the territorial waters of the Federal Republic of Yugoslavia — Provision for forfeiture of ships and cargoes — Implementation in European Community law — Whether extending to ships flying flag of non-Community State and owned by non-Community undertaking

Sea — Shipping — Jurisdiction — Enforcement of economic sanctions imposed by United Nations Security Council — Whether State entitled to apply sanctions to acts performed by ships not connected with that State in international waters — Prohibition on entry into territorial waters of Federal Republic of Yugoslavia — Whether applicable to acts in international waters giving good cause to believe ship intends to enter territorial waters — The law of the European Community