EU AI Act Deployer vs Provider: Who Owns Which Obligation in a High-Risk Deployment
The EU AI Act splits obligations between the provider that places an AI system on the market and the deployer that puts it into use. The split matters because deployers regularly assume they only have to consume the provider''s documentation, while providers regularly assume the deployer carries the runtime-evidence burden. Both assumptions leave gaps the regulator will surface. This article walks through the provider obligations under Articles 16, 17, and 43, the deployer obligations under Article 26, the shared traceability obligation under Article 12, and the operational division most enterprise deployments need to land before the August 2, 2026 enforcement date for high-risk systems.