Relationship of international law and municipal law — Conduct of foreign relations — Treaty-making power — United Kingdom — Treaties concluded under the royal prerogative — Whether subject to judicial review — Anglo-Irish Agreement, 1985

Territory — Northern Ireland — Relations with the Republic of Ireland — Anglo-Irish Agreement, 1985 — Creation of Intergovernmental Conference — Recognition of status of Northern Ireland — Right of Government of Republic of Ireland to make representations regarding Northern Ireland — Whether affecting status of Northern Ireland as part of the United Kingdom

Treaties — Effect in municipal law — Anglo-Irish Agreement, 1985 — Whether altering rights of population of Northern Ireland — Whether affecting powers of Secretary of State for Northern Ireland — The law of England