Definition / Belongs to this divisionThis division includes:
- representing the interests of organized workers and trade union members
also belongs to this sectorThis division also includes:
- the activities of associations which, largely on behalf of and for the benefit of their employees, represent views on earnings and working conditions as a concerted action within the organization
- the activities of a trade union made up of each trade union, related sectoral, commercial, territorial, organizational or other organized trade union on the basis of other criteria
It does not belong to this sectorThis division excludes:
- educational activities of the above organizations, see sector 85

Definition / Belongs to this divisionThis subsector includes the activities of the unit representing the interests of its members:
- with the exception of similar activities of economic, employers', professional, ecclesiastical organizations and trade unions

Definition / Belongs to this divisionThis division includes:
- church and religious activities carried out independently by churches or believers directly in churches, mosques, synagogues or other places (eg cemeteries)
- activities of monasteries, convent and similar organizations
- service of religious practices, pastimes, etc.
also belongs to this sectorThis division also includes:
- performing a church funeral service
It does not belong to this sectorThis division excludes:
- educational activities of the above mentioned organizations, see sector 85
- health care they provide, see sector 86
- the social benefits they provide, see sectors 87 and 88