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anx_II__para__33

3.6.1. The manufacturer may select to carry across the DF’s determined for an engine or engine/aftertreatment combination to engines or engine/aftertreatment combinations that do not fall into the same engine family category as determined according to section 2.1. In such cases, the manufacturer must demonstrate to the approval authority that the base engine or engine/aftertreatment combination and the engine or engine/aftertreatment combination for which the DF’s are being carried over have the same technical specifications and installation requirements on the vehicle and that the emissions of such engine or engine/aftertreatment combinations are similar.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-10 · Text as adopted (Official Journal); later amendments are not incorporated in this text.