- Certification. The determination by the National Labor Relations Board that a union represents the employees' free choice and therefore that the union can become the official bargaining agent for a bargaining unit.
According to the HRBoK Guide,
- Certification. A procedure to grant an official designation. Confirmation of specific achievements or characteristics given by an authority, usually by issuing a certificate or diploma after a test.
- Labor relations. The systematic study of attitudes, motivations, and behaviors which two or more job-market actors assume toward each another.