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What Is an EU Declaration of Conformity? How Is It Prepared?
An EU declaration of conformity is the responsible manufacturer's signed statement for an identified product under applicable EU legislation.
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Direct answer
An EU declaration of conformity is the responsible manufacturer's signed statement for an identified product under applicable EU legislation. It is distinct from a test report, body certificate or the complete technical file. Those documents may support the declaration but cannot simply replace it.
Decision and evidence
Select the product-specific declaration type and assessment route. Check identity, legal references, evidence and authorised signature together before supplying the document with the product.
Technical basis
The declaration is the manufacturer’s signed legal statement. Product identification, applicable legislation, standards, authorised signatory and technical-file link must be consistent.
Related practical guide
EU Declaration of Conformity: Signatures, Model Lists and Languages
Primary sources and currency
This page was technically reviewed on 22 August 2026 against the primary sources below. The current legislation, standard edition and official fee schedule at the application date take precedence.
European Commission — CE marking for manufacturers ↗European Commission — Conformity assessment ↗EUR-Lex — Blue Guide on implementing product rules ↗European Commission — Construction products and CPR ↗Practical questions
Does the testing laboratory sign the EU declaration?
The manufacturer, or an authorised representative within its permitted mandate, draws up the declaration under applicable legislation. Laboratory reports may support it. Identify the signatory's authority and represented party. Purchasing third-party services does not automatically transfer manufacturer responsibility.
Which standards belong in the declaration?
Identify standards or technical specifications actually used as conformity evidence, with correct versions. Long unrelated lists do not improve reliability. Verify official publication and coverage when claiming use of harmonised standards. Listing applicable legislation and supporting standards serves different purposes.
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