# The Weighing Equipment (Automatic Catchweighing Instruments) Regulations 2003, Paragraph 3.9.2


Instruments required to bear verification marks shall have a verification mark support, at the place provided for above, which shall ensure the conservation of the marks.
When the mark is made with a stamp the support may consist of a strip of lead or any other material with similar qualities, inserted into a plate fixed to the instrument, or in a cavity bored in the instrument.

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Source: https://www.legislation.gov.uk/uksi/2003/2761/schedule/4/paragraph/3n8 (the official version)
Page: https://openlegislation.uk/weighing-equipment-automatic-catchweighing-instruments-regulations-2003/schedule-4/paragraph-3n8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.