Article 2 The territorial sea adjacent to Northern Ireland

For the purposes of the definition of “Northern Ireland” in section 98(1) of the Northern Ireland Act 1998 and for all other purposes of that Act, the part of the territorial sea of the United Kingdom which is to be treated as adjacent to Northern Ireland shall, subject to paragraph (2), be the part whose breadth is measured from baselines in Northern Ireland.

Where any part of the territorial sea adjacent to the United Kingdom whose breadth is measured from baselines in Northern Ireland falls outside the Northern Ireland zone, that part shall not be treated as adjacent to Northern Ireland for the purposes mentioned in paragraph (1).