# The Merchant Shipping (Radiocommunications) (Amendment) Regulations 2021, Paragraph 1

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

At least once every day—
(a) the proper functioning of the DSC facilities must be tested, without radiation of signals, by use of the means provided on the equipment;
(b) batteries providing a source of energy for any part of the radio installations must be tested and, where necessary, brought up to the fully charged condition.

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Source: https://www.legislation.gov.uk/uksi/2021/1316/schedule/2/paragraph/1 (the official version)
Page: https://openlegislation.uk/merchant-shipping-radiocommunications-amendment-regulations-2021/schedule-2/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.