Commission Delegated Regulation (EU) 2023/2867 of 5 October 2023 supplementing Regulation (EU) 2019/631 of the European Parliament and of the Council by setting out the guiding principles and criteria for defining the procedures for the verification of the CO2 emissions and fuel consumption values of passenger cars and light commercial vehicles in-service (in-service verification) (Text with EEA relevance)Text with EEA relevance