# The Weights and Measures (Milk and Solid Fuel Vending Machines) Regulations 1980, Regulation 3


(1) The units of measurement to be used in marking any such machine with information as to the quantity comprised in each item for sale by means of that machine shall be the same as are used to mark the container included in that item with a statement of quantity as required by section 1(4)(a) of the Weights and Measures Act 1979, or as would be so used but for any exemption from that requirement having effect by virtue of regulations made under section 13 of that Act.
(2) The characters in which that information is displayed shall be clear and legible and shall be marked upon a plain background and in a colour which is a distinct and conspicuous contrast thereto.
(3) The characters in which that information is displayed shall be not less than 10 mm in height.
(4) The numerator and denominator together indicating a vulgar fraction shall appear one on top of the other and for the purposes of paragraph (3) of this Regulation shall be treated as a single character.

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Source: https://www.legislation.gov.uk/uksi/1980/246/regulation/3 (the official version)
Page: https://openlegislation.uk/weights-and-measures-milk-and-solid-fuel-vending-machines-regulations-1980/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.