This class includes promoting of the interests of organized labor and union employees.

This class also includes :

Activities of associations whose members are employees interested chiefly in the representation of their views concerning the salary and work situation, and in concerted action through the organization

Activities of single plant unions, of unions composed of affiliated branches and of labor organizations composed of affiliated unions on the basis of trade, region, organizational structure or other criteria

This class excludes education provided by these organizations, see division 85.