Manufacturers shall calculate the combined CO ₂ value for each new passenger car registered in 2020 in accordance with the formula set out in the second subparagraph of paragraph 3.2.3.2.4 of Sub-Annex 7 to Annex XXI to Regulation (EU) 2017/1151, where the terms M _CO2-H and M _CO2-L shall, for the interpolation family concerned, be replaced by the values M _CO2,C,5 taken from the entries 2.5.1.1.3 (vehicle H) and 2.5.1.2.3. (vehicle L) of the EC type-approval certificate as indicated in the model set out in appendix 4 to Annex I to Regulation (EU) 2017/1151.

Where the combined CO ₂ emissions of the individual vehicle are determined by reference to vehicle H only, the manufacturers shall provide the M _CO2,C,5 value taken from the entry 2.5.1.1.3 (vehicle H) of the EC type approval certificate.

The manufacturers shall submit those CO ₂ emission values, together with the M _CO2,C,5 values used for the calculation, to the Commission at the latest three months following receipt of the notification by the Commission of the provisional data for 2020 by uploading that data on the manufacturer's account in the Business Data Repository of the European Environment Agency.

Where the data referred to in paragraph 1 is not submitted within the deadline indicated, the Commission shall take the value recorded in entry 2.5.1.2.3. of the EC type-approval certificate and consider that value as the combined CO ₂ emissions for the purposes of paragraph 1 for all new registered vehicles in the interpolation family for which the type approval certificate was issued, and, where applicable, the value indicated in entry 2.5.1.1.3 for those families where only vehicle H measurements are available.

The Commission shall monitor the number of interpolation families for which the CO ₂ emissions are determined by reference to vehicle H only for each manufacturer, and shall, in the case of an increase in the number of such families as compared to the situation in 2018, assess the impact of that increase on the calculation referred to in paragraph 1, and where appropriate, exclude those families from that calculation.