5.

The Commission shall assess the conformity of harmonised standards established by the European standardisation bodies with the relevant mandates. The Commission shall publish in the Official Journal of the European Union the list of references of harmonised standards which are in conformity with the relevant mandates. The following shall be indicated for each harmonised standard in the list: references of superseded harmonised technical specifications, if any; date of the beginning of the coexistence period; date of the end of the coexistence period. The Commission shall publish any updates to that list. From the date of the beginning of the coexistence period it shall be possible to use a harmonised standard to make a declaration of performance for a construction product covered by it. National standardisation bodies are under the obligation to transpose the harmonised standards in conformity with Directive 98/34/EC. Without prejudice to Articles 36 to 38, from the date of the end of the coexistence period, the harmonised standard shall be the only means used for drawing up a declaration of performance for a construction product covered by it. At the end of the coexistence period, conflicting national standards shall be withdrawn and Member States shall terminate the validity of all conflicting national provisions.

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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.