# Commission Implementing Decision (EU) 2019/1119 of 28 June 2019 on the approval of efficient vehicle exterior lighting using light emitting diodes for use in internal combustion engine vehicles and non-externally chargeable hybrid electrified vehicles as an innovative technology for reducing CO2 emissions from passenger cars pursuant to Regulation (EC) No 443/2009 of the European Parliament and of the Council (Text with EEA relevance), Division 4.3: Statistical margin for Low beam AFS

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

Where the Low beam AFS is present, formulae 9 shall be adapted to take into account the additional measurements required.
The value of the uncertainty ( s P EI AFS – ) that is to be used for the Low beam AFS shall be calculated with the following formulae 10 and 11:
Where:
n Number of measurements of the sample, which is at least 5
P c – mean of the n values of Pc

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Source: https://www.legislation.gov.uk/eudn/2019/1119/annex/division/4/division/4.3 (the official version)
Page: https://openlegislation.uk/eu-decision-2019-1119/annex/division-4/division-4.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.