2020ISO/IEC 20000-2:2019/Amd 1:2020 Information technology — Service management — Part 2: Guidance on the application of service management systems AMENDMENT 1
2019ISO/IEC 20000-2:2019 Information technology — Service management — Part 2: Guidance on the application of service management systems
2012ISO/IEC 20000-2:2012 Information technology - Service management - Part 2: Guidance on the application of service management systems
2005ISO/IEC 20000-2:2005 Information technology - Service management - Part 2: Code of practice