# Article 38: Coordination of notified bodies > EU AI Act (2024/1689) > Chapter 3 High-Risk AI Systems — Section 4: Notifying authorities and notified bodies > Source: https://en.ai-act.io/article/high-risk-ai-systems/notifying-authorities-and-notified-bodies/coordination-of-notified-bodies (1) The Commission shall ensure that, with regard to high-risk AI systems, appropriate coordination and cooperation between notified bodies active in the conformity assessment procedures pursuant to this Regulation are put in place and properly operated in the form of a sectoral group of notified bodies. (2) Each notifying authority shall ensure that the bodies notified by it participate in the work of a group referred to in paragraph 1, directly or through designated representatives. (3) The Commission shall provide for the exchange of knowledge and best practices between notifying authorities. ## Related Recitals - [Recital 125: Limited conformity assessment by third parties](https://en.ai-act.io/recital/limited-conformity-assessment-by-third-parties.md) - [Recital 126: Procedure for conformity assessment by third parties](https://en.ai-act.io/recital/procedure-for-conformity-assessment-by-third-parties.md) - [Recital 127: Recognition of conformity assessment results](https://en.ai-act.io/recital/recognition-of-conformity-assessment-results.md) - [Recital 129: CE marking for high-risk systems](https://en.ai-act.io/recital/ce-marking-for-high-risk-systems.md)