# The Dee Estuary Conservancy Harbour Revision (No. 2) Order 2023, Paragraph 20


The master of a vessel which is moored at a quay or attached to any mooring device must not permit the engines of the vessel to be worked in such a manner as to—
(a) cause unnecessary injury or damage to the bed or banks of the estuary or to any other vessel or property, or
(b) cause unnecessary disturbance or noise pollution to any other vessel or property.

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Source: https://www.legislation.gov.uk/uksi/2023/690/schedule/2/paragraph/20 (the official version)
Page: https://openlegislation.uk/dee-estuary-conservancy-harbour-revision-no-2-order-2023/schedule-2/paragraph-20
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.