# The Measuring Instruments Regulations 2016, Paragraph 1.1: Reference Conditions


For tapes of length equal to or greater than 5 metres, the maximum permissible errors (MPEs) are to be met when a tractive force of fifty newtons or other force values as specified by the manufacturer and marked on the tape accordingly, or in the case of rigid or semi-rigid measures no tractive force is needed, is applied.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1I/part/chapter/1/paragraph/1.1 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1I/part/chapter-1/paragraph-1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.