EU publishes first harmonised standard under the AI Act
The European Commission has published EN 18286:2026 in the Official Journal. It is the first harmonised standard under the AI Act, regulating quality management systems for high-risk AI systems.

What happened?
The European Commission has published the reference to the standard EN 18286:2026 in the Official Journal of the European Union via Implementing Decision (EU) 2026/2274. It is the first harmonised standard to support the implementation of the EU AI Act. The standard was developed by the European standardisation organisations CEN and CENELEC.
Key facts
| Standardbeteckning | EN 18286:2026 |
|---|---|
| Genomförandebeslut | (EU) 2026/2274 |
| Publiceringsdatum | 28 oktober 2026 |
| Berörd artikel | Artikel 17 (Kvalitetsledningssystem) |
Why it matters
EN 18286 specifies the requirements for quality management systems (QMS) under Article 17 of the AI Act. Suppliers that implement the standard are afforded a legal presumption of conformity regarding these specific requirements. The standard is designed to complement existing management systems rather than replace them entirely.
Who is affected?
The standard concerns developers and suppliers of AI systems classified as high-risk under the AI Act. It also affects companies that already operate management systems and need to integrate AI-specific quality requirements.
Impact on the EU
The standard EN 18286:2026 is officially recognised throughout the EU via the Commission's implementing decision. It is currently the only standard that provides a presumption of conformity for quality management systems under the AI Act.
What else you should know
Previous timelines for the AI Act's high-risk requirements indicated that full application would occur in phases leading up to 2026 and 2027. The publication of harmonised standards is a prerequisite for industry to adapt its processes in accordance with the regulation's formal timeline.
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