C12. Decommission Plan Structured plan for system end-of-life covering seven workstreams: data disposition, model archival, deployer notification, EU database update, documentation archival, operator transition, and regulatory notification. Each milestone has a responsible owner, target date, and completion criterion. Prepared when an end-of-life trigger is activated. Responsible party: AI Governance Lead tracks milestones and escalates delays. Regulations addressed: Article 79(2) (fifteen working-day backstop); Article 18 (ten-year retention post-decommission); Article 49/71 (EU database update); Article 72 (PMM cessation). Key outputs

• Seven-workstream plan with per-milestone ownership
• Progress tracking and escalation protocol