# The Measuring Instruments Regulations 2016, Paragraph 13


All values displayed for the passenger shall be suitably identified. These values as well as their identification shall be clearly readable under daylight and night conditions.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1H/paragraph/13 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1H/paragraph-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.