When Will a Union Be Certified as the Bargaining Representative

When will a union be certified as the bargaining representative of employees?

A) If the union receives a majority of the votes in the union election.
B) If the union receives two-thirds of the votes in the union election.
C) If a majority of the employees sign authorization cards and at least one-third of the employees actually vote in favor of the union.
D) If two-thirds of the total employees in the company vote for the union.
E) If one-third of the total employees in the company vote for the union.