AI Act implementing decision: harmonised standard EN 18286 on quality management systems for high-risk AI

This implementing decision publishes in the OJ the reference of the first AI Act harmonised standard, EN 18286:2026 'Artificial intelligence - Quality management system for EU AI Act regulatory purposes'. Developed by CEN and CENELEC under standardisation request C(2025) 3871, it covers quality management systems for AI system providers, including post-market monitoring processes. Under AI Act Article 40, conformity gives a presumption of conformity with the requirements it covers from the date of publication. Adopted 12 October 2026, published and in force on 14 October 2026.