08afeb41_Model___UNECE_Statistics_Wikis__Object
[Group] Concepts [Definition] A Classification Version is a list of mutually exclusive Categories representing the version-specific values of the classification variable. [Explanatory Text] A Classification Version has a certain normative status and is valid for a given period of time. [Object] 
Classification Version
Annex C Glossary - Generic Statistical Information Model - UNECE Statistics Wikis