IEC 62559-2:2015 - Use case methodology - Part 2: Definition of the templates for use cases, actor list and requirements... Updated at: 03-02-2021 Show more information Standards and standardisation Standards Standards according to SDOs IEC (International Electrotechnical Commission) IEC TC 8 System aspects of electrical energy supply IEC 62559-2:2015 - Use case methodology - Part 2: Definition of the templates for use cases, actor list and requirements list