Product Certificates, Declarations and User Instructions Explained
GGR Product & Compliance Team · Updated 2026-08-22 · 6 min read
Declaration of Conformity
A declaration of conformity is a document in which the manufacturer or its authorised representative formally declares that a product conforms to the standards or regulations it names. It identifies the product, the responsible party and the standards claimed.
It is a statement of responsibility, not the underlying test data itself. When reviewing one, check that it clearly identifies the specific product you are buying and that the standards it cites are the ones your application actually requires. Confirm the standard is appropriate for your hazard rather than assuming any certification is sufficient.
Test Certificates and Reports
A test certificate or report is evidence that a product was assessed against a defined test method, usually by a testing body, and records the result. Where a declaration says a product conforms, a test report shows how that was demonstrated.
Different tests measure different things, so a certificate is meaningful only for the specific property and method it covers. Verify that the certificate relates to the exact product and variant you intend to buy, and that it covers the property you care about, a certificate for one property does not certify others.
Instructions for Use and Markings
PPE is supplied with instructions for use that explain how to fit, use, clean, store, inspect and dispose of the product, along with its limitations and the meaning of its markings. These are part of the product's compliance, not optional paperwork.
The instructions define the boundaries of protection, what the item does and, importantly, does not protect against, and how to keep it performing. Retain them, make them available to wearers, and follow the stated inspection and replacement guidance, because misuse or over-wear can void the protection entirely.
How to Use These Documents Together
Read the three together: the declaration tells you what is claimed, the test evidence supports the claim for a specific property, and the instructions tell you how to realise and maintain that protection in practice.
Standards and their revisions change over time, and the scope of any certification is specific. Always verify that the standard cited is current and appropriate for your use, and have a competent person confirm that the documentation genuinely covers your hazard before relying on the product.
Keeping Documentation on File
For B2B safety programmes, keep this documentation on record against each product you purchase. It supports audits, incident investigations and future reorders, and demonstrates due diligence in selecting compliant equipment.
Ask your supplier to provide the relevant declaration, available test evidence and instructions with the product. A supplier that can furnish clear documentation makes it far easier to keep your programme defensible.
Key takeaways
- A declaration of conformity is a formal claim of compliance, not the test data itself.
- A test certificate proves a specific property was assessed by a defined method, check it matches your product and hazard.
- Instructions for use define the limits of protection and how to maintain it; treat them as part of compliance.
- Read all three together and verify the cited standard is current and appropriate.
- Keep documentation on file per product to support audits, investigations and reorders.
FAQ
No. A declaration is the manufacturer's formal statement that a product meets stated standards, while a test certificate is evidence the product was tested against a specific method. They serve different purposes and should be read together.
Yes. They define what the PPE does and does not protect against, and how to fit, inspect, maintain and replace it. Ignoring them can void the protection, so keep them and make them available to wearers.
Confirm it relates to the exact product and variant, covers the property you need, and cites a current standard appropriate to your hazard. A competent person should confirm the documentation genuinely covers your intended use.