# The Weights and Measures (Local and Working Standard Linear Measures) Regulations 1986, Regulation 3: Prescribed limits of error


(1) Subject to paragraph (2) below, the prescribed limits of error relating to local and working standard linear measures in accordance with these Regulations shall be those set out in Tables 1 and 2 respectively in Schedule 1 to these Regulations.
(2) Where at least one of the principal scale marks of a working standard linear measure is a surface, the limits of error in column 2 in the said Table 2 where that surface is used for measurement shall be increased by 0.2 millimetre where the measurement is made in metric units or by 0.008 inch where the measurement is made in imperial units.

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Source: https://www.legislation.gov.uk/uksi/1986/1684/regulation/3 (the official version)
Page: https://openlegislation.uk/weights-and-measures-local-and-working-standard-linear-measures-regulations-1986/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.