HC Deb 11 November 1981 vol 12 c82W
Mr. J. Enoch Powell

asked the Prime Minister if Her Majesty's Government have obtained or sought from the Government of the Irish Republic acknowledgement or acceptance of Her Majesty's Government's position that the whole of the waters of Lough Foyle are within the United Kingdom.

The Prime Minister

The Government of the Republic of Ireland are aware of the position of Her Majesty's Government on this matter, namely, that Lough Foyle falls within the United Kingdom. The Government of the Republic of Ireland dispute this claim.