# The Measuring Instruments Regulations 2016, Paragraph 11


If there is a supplement charge for an extra service, entered by the driver on manual command, this shall be excluded from the fare displayed. However, in that case a taximeter may display temporarily the value of the fare including the supplementary charge.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1H/paragraph/11 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1H/paragraph-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.