sec_4_1_2_3__para__2

European standards, including harmonised standards, may be based fully or partially on international ISO or IEC standards. However, the presumption of conformity is possible only when applying the European version published by reference in the Official Journal, because of possible technical modifications introduced in it to ensure adequate compliance with the legal requirements. Additionally ISO and IEC versions do not contain information about which provision of the standard is relevant for which essential requirement, as this information is only included in their European version.

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Source: EUR-Lex (Cellar) · retrieved 2026-09-25 · Text as adopted (Official Journal); later amendments are not incorporated in this text.