# The Weights and Measures (Quantity Marking and Abbreviations of Units) Regulations 1987, Regulation 4: Legibility and position of marking


(1) Any marking of a container with information as to quantity—
(a) shall be easy to understand, clearly legible and indelible;
(b) shall be easily visible to an intending purchaser under normal conditions of purchase;
(c) shall not in any way be hidden, obscured or interrupted by any other written or pictorial matter; and
(d) if it is not on the actual container or on a label securely attached to the container, shall be so placed that it cannot be removed without opening the container.
(2) Where, pursuant to regulation 7(3) below, the words “metric pack” are included in any marking, those words shall appear within a surrounding line or on a panel which is clearly distinguished in colour from its surroundings and within which or on which there is no other written and no pictorial matter.

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Source: https://www.legislation.gov.uk/uksi/1987/1538/regulation/4 (the official version)
Page: https://openlegislation.uk/weights-and-measures-quantity-marking-and-abbreviations-of-units-regulations-1987/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.