Which of the following is a condition that must be met for the decertification of a union?

A) The union must have served as the official bargaining agent for the employees for at least 3 years.
B) A closed-shop agreement must have existed between the union and the employer.
C) No labor contract must currently be in force.
D) The union must have at least hundred members.

Decertification

The process by which a labor union is removed as the representative of the employees in a bargaining unit, typically through a vote by the employees.

Bargaining Agent

A labor union or individual representative designated to negotiate employment terms on behalf of a group of employees.

Closed-shop Agreement

A labor agreement requiring employees to be members of a union as a condition of employment, typically illegal in the U.S. under the Taft-Hartley Act.