The information in these publications provides guidance to ONR inspectors on how to interpret and apply the Safety Assessment Principles (SAPs) and Security Assessment Principles (SyAPs). Some also support the enforcement of Licence Conditions, complementing the Technical Inspection Guides.
Most recently updated guidance
Full list of guidance in this series
INF 1 - ONR Incident Notification Form
Version 4.9
ONR-OL-PROC-003 - Processing and governance of incident notifications by ONR
Issue 5.1; Review date: March 2027
ONR-RIO-PROC-001 - Management of Regulatory Issues
Issue 6.3; Review date: March 2028
ONR-OL-PROC-002 - Process for notifying incidents to ONR
Issue 2.1; Review date: March 2027
ONR-RIO-PROC-004 - Governance and Oversight of Incidents
Issue 2; Review date: March 2027
ONR-OPEX-GD-005 - Production of Advice Notes and Alerts
Issue 2; Review date: January 2027
NS-INSP-PROC-001 - Resolving Differences of Regulatory Opinion
Issue 5.1; Review date: November 2025
ONR-OPEX-GD-002 - The Role of the UK International Nuclear & Radiological Event Scale (INES) National Officer
Issue 4; Review date: May 2026