prCEN/CLC/TR 18347 Overview and architecture of standards in support of the EU AI Act

This document aims to inform organizations for the application of the harmonised standards in support of the AI Act. This document provides information on the harmonised standards developed by CEN-CENELEC Joint Technical Committee 21, in response to the standardization request by the European Commission (C(2025) 3871). This includes the relationship of the harmonised standards to each other and the AI Act and provides an overview of key terms and definitions and related concepts. This document is informative and does not contain guidance or requirements. The document will not lead to presumption of conformity. This document will reference European Commission guidelines where appropriate. This document is aimed at all types of organisations providing high-risk AI systems and who are likely to use the harmonised standards when placing products or services on the EU market.