Good-faith process between an organization's management and a trade union representing its employees, for negotiating wages, working hours, working conditions, and other matters of mutual interest. … Collective bargaining is the fundamental principle on which the trade union system is based.

In the United States, collective bargaining takes place between labor union leaders and the management of the company that employs the union's workers. The result of collective bargaining is called a collective bargaining agreement, and it establishes rules of employment for a set number of years. Union members pay for …

This act makes it illegal for employers to discriminate, spy on, harass, or terminate the employment of workers because of their union membership or to retaliate against them for engaging in organizing campaigns or other "concerted activities," to form company unions, or to refuse to engage in collective bargaining with the …