During September 2025, Piers Brumby enhanced data integrity and access control across the hmcts/opal-fines-service and hmcts/opal-user-service repositories. He implemented foreign key constraints and indexing on the Warrant_Register table to improve query performance and ensure referential integrity, while also clarifying schema semantics in the impositions table. In parallel, Piers introduced a new 'Enter Enforcement' permission, designing and executing SQL migrations to support robust role-based access control for enforcement workflows. His work demonstrated depth in database management, permissions management, and SQL scripting, delivering targeted features that strengthened both data governance and operational efficiency without addressing bug fixes this period.