Article 3
That area of sea within a line drawn from a point at Dunnet Head on the north coast of Scotland at 58° 40.5NN latitude and 003° 22.5'W longitude in a north-easterly direction to Tor Ness on the Island of Hoy at 58° 46.5'N latitude and 003° 17.5'W longitude then east along the line of the mean high water springs to Cantick Head at 58° 47.25'N latitude and 003° 7.8'W longitude and then in a north-easterly direction to a point at Hoxa Head at 58° 49.0'N latitude and 003° 01.95'W longitude on the Island of South Ronaldsay, then along the line of the mean high water springs of the south-west, south and east coast of South Ronaldsay, across the Churchill Barrier No.4, along the east coast of the Island of Burray, across Churchill Barrier No.3, along the east coast of the Island of Glimps Holm, across Churchill Barrier No.2, along the east coast of the Island of Lambs Holm, across Churchill Barrier No.1 and then along the south-east and east and north coasts of the Mainland of Orkney to a point at Mull Head at 58° 58.42'N latitude and 002° 42.7'W longitude, then in a northerly direction to a point at 59° 00'N latitude and 002° 42.7'W longitude, then in a easterly direction to a point at 59° 00'N latitude and 002° 00'W longitude, then in a southerly direction to a point at 58° 15'N latitude and 002° 00'W longitude and then in an westerly direction to a point on the Scottish Mainland at 58° 15.0'N latitude and 003° 24.4'W longitude, then along the eastern and northern coast of Scotland to the point of beginning at Dunnet Head.