# The Weights and Measures (Local and Working Standard Weights and Testing Equipment) Regulations 1986, Regulation 5


Test weights and egg grading machine test poises shall be tested by either:
(a) the method of substitution, or
(b) the method of comparison against either:
(i) local standard weights; or
(ii) working standard weights or test weights,
provided that in the opinion of the inspector the necessary accuracy can be achieved.

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Source: https://www.legislation.gov.uk/uksi/1986/1685/regulation/5 (the official version)
Page: https://openlegislation.uk/weights-and-measures-local-and-working-standard-weights-and-testing-equipment-regulations-1986/regulation-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.