The document “FSF-100.12-Fire-Standards-and-Codes-of-Practice-April-2024” outlines the necessary British Standards and NSI Codes of Practice for fire safety systems, including fire detection and alarm systems, fixed gaseous fire suppression systems, emergency lighting, and evacuation alert systems. It emphasizes the importance of compliance with these standards for companies seeking NSI approval, detailing specific codes and guidelines that must be followed for the design, installation, commissioning, and maintenance of these systems. Additionally, it provides information on accessing relevant standards and codes for NSI-approved companies.