# The St. Helena and Dependencies (Territorial Sea) Order 1989, Article 3


(1) Except as otherwise provided in paragraph (2) of this article and in article 4 of this Order, the baseline from which the breadth of the territorial sea adjacent to St. Helena and its Dependencies is measured shall be the low-water line along the coast of all islands comprised in the Colony of St. Helena and its Dependencies.
(2) For the purposes of this article a low-tide elevation which lies wholly or partly within the breadth of sea which would be territorial sea if all low-tide elevations were disregarded for the purpose of the measurement of the breadth thereof shall be treated as an island.

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Source: https://www.legislation.gov.uk/uksi/1989/1994/article/3 (the official version)
Page: https://openlegislation.uk/st-helena-and-dependencies-territorial-sea-order-1989/article-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.