Note: The below list is not exhaustive, with the grammatical changes not included Clause Mod type Details 2.1.1 Addition – hereafter referred to as Monitoring Centres 2.1.4 Addition New sub – clause added, numbering adjusted 2.3.1 (a – b) Addition New compliance requirements introduced 2.3.4 Addition Process for companies losing recognition 2.8.2 & 2.8.8 Addition Keyholder requirements expanded 2.10.6 & 2.10.7 Addition New clauses introduced Title page Changed Updated with NPCC King’s Crown logo, copyright date changed to February 2025, review date changed to April 2026 1.1 Changed “Controlling” changed to “governing” 1.4 & 1.5 Changed Clauses reordered 2.1.3 Changed Split into 2.1.3(a), (b) and 2.1.5 2.2.1 Changed Added ‘requirements and’ 2.3 Changed Reordering of content 2.3.2 (b) Changed Reworded 2.3.3 (a) Changed Slight wording change 2.4.1 Changed Added ‘of this document and’ 2.6.1 Changed Now requires copy of installation certificate with application 2.6.2 Changed Original clause removed; subsequent renumbering 2.6.4 Changed ‘Address’ changed to ‘Contact’ 2.7.1 Changed Reworded, added requirement to submit installation certificate 2.7.3 Changed Removed MOU/deletion warning clause 2.9.1 Changed Clarified delay conditions are force dependent 2.10.2(c) Changed Clarified definition of false alarm 2.10.4 Changed ‘Detectors’ changed to ‘intruder alarm systems’; ‘line faults’ removed 2.10.5 Changed ‘Should’ changed to ‘will’ 2.11.1 Changed Clarified review process for fees ANNEX A TO NSI 006 25 “National Police Chiefs’ Council (NPCC) Police Operational Advice and Security Industry Requirements for Response to Security Systems“ 2025: Changes from the 2024 Requirements Clause Mod type Details 2.11.2 & 2.11.17 Changed Clarified wording; MOU reference removed 3.1.1 Changed Clarified LEVEL 2 is no longer used 3.1.2 Changed Removed reference to ‘and police response’ 3.1.3 Changed Split into 3.1.3, 3.1.4, 3.1.5 3.2.4 Changed Changed to lettered list; content reworded 3.4.1 & 3.4.2 Changed Reworded and split for clarity 4.3.1 Changed Website reference updated 4.5 Changed Reordered and renumbered 4.6.2 Changed Reference to NPCC SSG removed.