# The Portland Harbour Revision Order 1997, Paragraph 8


No vessel other than an exempt vessel shall, except with the prior permission of the Company (which shall not be given without the written consent of the Secretary of State for Defence), enter, navigate, anchor or moor within the prohibited area, and no person other than an exempt person shall swim, dive or fish within that area or otherwise enter it except with the like permission.

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Source: https://www.legislation.gov.uk/uksi/1997/2949/schedule/2/paragraph/8 (the official version)
Page: https://openlegislation.uk/portland-harbour-revision-order-1997/schedule-2/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.