# The Merchant Shipping (Radiocommunications) (Amendment) Regulations 2021, Paragraph 3

Extent: E+W+S+N.I.

Where a ship has been out of communication range of a coast station fitted with DSC equipment for a period of longer than one week, a test call must be made on the first opportunity that the ship is within communication range of such a coast station.

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Source: https://www.legislation.gov.uk/uksi/2021/1316/schedule/2/paragraph/3 (the official version)
Page: https://openlegislation.uk/merchant-shipping-radiocommunications-amendment-regulations-2021/schedule-2/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.