High risk obligations apply through the product safety route in Article 6(1) or the Annex III route in Article 6(2). Once a system is high risk, the provider and deployer evidence standard increases sharply. Articles 9 to 15 set the technical and organizational core, but the surrounding duties on conformity, registration, monitoring, retention, and user information matter just as much.
This track is where most enterprise implementation work sits because it touches architecture, data governance, testing, human oversight, and post market operations.