This Technical Bulletin No. 0047, Issue 2, dated October 23, 2019, outlines the publication of BS 5839-6:2019, which provides a code of practice for the design, installation, commissioning, and maintenance of fire detection and alarm systems in domestic premises. The bulletin specifies that compliance with the new standard is mandatory for NSI Fire Gold and Fire Silver approved companies, with immediate audits for applicants and a compliance deadline of October 30, 2019, for existing companies. Key changes in the standard include the removal of certain grades, updates to guidance based on recent standards, and new recommendations for fire detection in supported housing and communal areas. Manual review is recommended for complete details on the specific changes and requirements.