4.
Where Member States provide incentives for products, both for end-users using highly efficient products and for industries which promote and produce such products, they shall express the performance levels in terms of classes as defined in the applicable delegated act, except where they impose higher performance levels than the threshold for the highest energy efficiency class in the delegated act. Member States may impose higher performance levels than the threshold for the highest energy efficiency class in the delegated act.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.