UK02 Preliminary Market Engagement - LIOS - 708004450

* Please note this change notice updates the notice published on 2nd March 2026 with a revised briefing date. * Since the publication of Preliminary Market Engagement – LIOS – 708004450, the Authority has been engaging with the current service providers to develop a structured approach to LIOS that ensures the Authority’s support requirements are met, while designing the Operating Model (Op Model) for LIOS. The Authority is pleased to announce that this workstream has matured substantially since the publication of...