art_55__para_3__para
Text with EEA relevance.
Those requirements may be based on the regulatory acts listed in Annex II or may consist of a comparison of the environmental or safety performance of the parts or equipment with the environmental or safety performance of the original parts or equipment, as appropriate. In either case, the requirements shall ensure that the parts or equipment do not impair the functioning of the systems that are essential for the safety of the vehicle or for its environmental performance.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.