1.The reduction in CO2 emissions from the use of efficient exterior LED lighting referred to in Article 2(1) shall be determined using the methodology set out in the Annex.
2.Where a manufacturer applies for the certification of the CO2 savings from more than one efficient exterior LED lighting referred to in Article 2(1) in relation to one vehicle version, the type approval authority shall determine which of the efficient exterior LED lighting tested delivers the lowest CO2 savings, and record the lowest value in the relevant type approval documentation. That value shall be indicated in the certificate of conformity in accordance with Article 11(2) of Implementing Regulation (EU) No 725/2011.