4.

Where the European standardisation bodies have established classes of performance in a harmonised standard, the organisation of TABs shall use those classes in the European Assessment Documents where they are relevant for the construction product. When deemed appropriate, the organisation of TABs may, with the agreement of the Commission and after consulting the Standing Committee on Construction, establish in the European Assessment Document classes of performance and threshold levels in relation to the essential characteristics of a construction product within its intended use as foreseen by the manufacturer.

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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.