CE Marking Label Requirements (EU Guide)

CE marking is one of the most misunderstood compliance elements in the European Union. Many businesses treat it as just a logo. In reality, it is a legal declaration of conformity, backed by documentation, testing, and clear labeling requirements.

This guide explains what must be on a CE-marked product label, how to apply the mark correctly, and how it fits into broader EU compliance.

What CE Marking Actually Means

The CE marking shows that a product complies with applicable EU legislation covering safety, health, and environmental protection.

It is not a certification issued by the EU. Instead:

• The manufacturer declares conformity.
• The product can be sold across the EU single market.
• Authorities can request proof at any time.

Before applying the CE mark, you must:

• Carry out a conformity assessment.
• Prepare technical documentation.
• Issue an EU Declaration of Conformity.
  
  

When CE Marking Is Required

CE marking only applies to products covered by specific EU directives or regulations.

Typical examples include:

• Electrical and electronic equipment.
• Toys.
• Machinery.
• Personal protective equipment.
• Medical devices.

If your product is not covered by CE legislation, you must not apply the CE mark.

What Must Be on a CE Marking Label

The CE mark is only one part of the overall labeling. In most cases, additional information is required to ensure traceability and accountability.

1. The CE Mark

The CE symbol must:

• Consist of the letters “CE”.
• Be at least 5 mm high, unless specific legislation states otherwise.
• Follow official proportions.
• Be clearly visible, legible, and permanent.

2. Manufacturer Identification

The label must include:

• Company name.
• Postal address.

This identifies the legal entity responsible for the product.

3. EU Contact (Importer or Authorized Representative)

If the manufacturer is outside the EU, the product must include the name and address of the EU-based importer or Authorized Representative.

This ensures authorities have a contact point within the EU.

4. Product Identification

Each product must be traceable. The label should include:

• Model number or SKU.
• Batch or serial number.

This allows identification in case of safety issues, corrective actions, or recalls.

5. Link to Technical Documentation

CE marking always connects to documentation, including:

• Technical file, including design, testing, and risk assessment information (see risk analysis process and technical file guide).
• EU Declaration of Conformity.

These documents do not need to be printed on the label, but they must exist and be available to authorities when requested.

6. Instructions and Safety Information

Depending on the product, the manufacturer may need to provide:

• Instructions for use.
• Safety warnings (see warning examples).
• Translations into the languages of the target EU markets.

7. Notified Body Number (If Required)

For certain higher-risk products, a notified body number must be placed next to the CE mark.

This only applies when third-party conformity assessment is required under the relevant EU legislation.

Where the CE Mark Must Be Placed

The CE marking must be placed:

• On the product itself whenever possible.
• On the packaging or accompanying documents if placement on the product is not feasible.

It must remain visible and durable throughout the product’s lifecycle.

CE Marking Size and Design Rules

The design of the CE mark is strictly regulated.

Minimum Size

The CE mark must be at least 5 mm high, unless specific EU legislation allows or requires a different size.

Official Proportions

The proportions of the CE mark must not be altered. The mark may be scaled up or down, but it must not be stretched, compressed, distorted, or modified.

Visibility and Durability

The CE mark must remain clear, legible, and permanent. A mark that rubs off easily, becomes unreadable, or is hidden from normal inspection may not meet EU requirements.

CE Marking vs GPSR Labeling

CE marking and GPSR labeling are often confused, but they are not the same.

CE Marking

CE marking applies only to specific regulated product categories. It confirms that the product complies with applicable EU harmonisation legislation.

GPSR Labeling

The General Product Safety Regulation applies broadly to consumer products placed on the EU market. It requires product safety, traceability, risk assessment, and clear consumer-facing information (see labelling requirements).

When Both Apply

In many cases, both CE marking and GPSR requirements apply at the same time. CE marking alone is not sufficient to meet all EU product safety obligations (see EU compliance guide).

Example of a CE-Compliant Label

A typical CE label includes:

• CE mark.
• Manufacturer name and address.
• EU contact, if applicable.
• Product model or SKU.
• Batch or serial number.
• Safety warnings or instructions, if required.

The exact format depends on the product category, but the principle remains the same: clear identification, traceability, and connection to supporting compliance documentation.

Common CE Labeling Mistakes

Incorrect CE Logo

Using an incorrect logo, wrong spacing, or distorted proportions can make the marking non-compliant.

Missing EU Contact Details

For products from non-EU manufacturers, missing importer or Authorized Representative details can create compliance issues.

No Traceability

A product without a model number, batch number, serial number, or equivalent traceability reference may be difficult to identify in case of a recall or authority inspection.

CE Marking Only on Packaging

Where the CE mark can reasonably be placed on the product itself, placing it only on the packaging may not be sufficient.

Missing Technical Documentation

The CE mark must be supported by technical documentation and an EU Declaration of Conformity. Without this documentation, the label alone does not prove compliance (see chemical testing requirements).

Practical Takeaway

To comply with CE labeling requirements, businesses should focus on three elements:

• Correct application of the CE mark.
• Complete and accurate labeling information.
• Proper technical documentation and EU Declaration of Conformity.

Most compliance issues do not come from the absence of the CE mark itself. They usually arise from incomplete labeling, incorrect traceability, missing EU contact details, or lack of documentation behind the marking (see what happens if you don’t comply).

References (Official EU Sources)

• European Commission, CE marking requirements
• European Commission, Labels and markings
• European Commission, Technical documentation
• European Commission, CE marking overview
• Regulation (EU) 2019/1020 on market surveillance
• Decision No 768/2008/EC on a common framework for the marketing of products