What is the difference between the CE marking and other markings, and can other markings be affixed on the product if there is a CE marking?

COMMISSION NOTICE The ‘Blue Guide’ on the implementation of EU product rules 2022 · European Union

The CE marking is the only marking that indicates conformity to all the essential requirements of the Union harmonisation legislation that provide for its affixing. A product may bear additional markings provided that they do not have the same meaning as the CE marking, that they are not liable to cause confusion with the CE marking and that they do not impair the legibility and visibility of the CE marking. In this respect, other markings may be used only if they contribute to the improvement of consumer protection and are not covered by harmonisation legislation of the European Union.

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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.