(3)
Appendix 6
Meaning of notes:U.K.
W1 Requirements shall be complied with, but modification in the exhaust system is permitted without any further test of tailpipe emissions and CO2/fuel consumption provided the emission control devices including particulate filters (if any) are not affected. No new evaporative test shall be required on the modified vehicle on condition that the evaporative control devices are kept as fitted by the manufacturer of the base vehicle.U.K.
An EC type approval issued to the most representative base vehicle remains valid irrespective of change in the reference mass.”