The measures should ensure that the parts or equipment in question do not impair the safety or environmental performance of the vehicle, while at the same time preserving wherever possible competition in the aftermarket.
Ba cheart a áirithiú leis na bearta nach ndéanann na páirteanna nó an trealamh atá i gceist dochar do shábháilteacht nó d’fheidhmíocht chomhshaoil na feithicle agus, ag an am céanna, iomaíocht a chaomhnú sa mhargadh iardhíola aon uair is féidir.