This Circular Letter introduces Technical Bulletin 0067. The following standards have recently been amended by Amendment 1, effective September 2024: BS EN ISO 9001:2015/Amd 1:2024 (Quality Management Systems), BS EN ISO 14001:2015/Amd 1:2024 (Environmental Management Systems), BS EN ISO 45001:2023/Amd 1:2024 (Occupational Health and Safety Management Systems), BS EN ISO 27001:2023 /Amd 1:2024 (Information Security Management Systems). These amendments incorporate climate change considerations into the management system standards, aligning with ISO’s London Declaration. Each standard can be identified by _A1+2024 in the title and are available via the Standards on Subscription Service. These amendments will form part of your management system audit with immediate effect.