# The Wireless Telegraphy (Cordless Telephone Apparatus) (Restriction) Order 1987, Paragraph 3


The mark shall be in the form of a rectangle twice as broad as it is high and not less than 50 mm. broad and 25 mm. high.

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Source: https://www.legislation.gov.uk/uksi/1987/774/schedule/paragraph/3 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-cordless-telephone-apparatus-restriction-order-1987/schedule/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.