# Directive 2014/32/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of measuring instruments (recast) (Text with EEA relevance), Division 3.1.1: The effect of an electromagnetic disturbance on a gas meter or volume conversion device shall be such that:

Extent: E+W+S+N.I.

the change in the measurement result is no greater than the critical change value as defined in point 3.1.3, or
the indication of the measurement result is such that it cannot be interpreted as a valid result, such as a momentary variation that cannot be interpreted, memorised or transmitted as a measuring result.

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Source: https://www.legislation.gov.uk/eudr/2014/32/annex/IV/part/I/division/3/division/3.1/division/3.1.1 (the official version)
Page: https://openlegislation.uk/eu-directive-2014-32/annex-IV/part-I/division-3/division-3.1/division-3.1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.