During an organizing campaign, which of the following occurs when union representatives make contact with employees, present their message about the union, and invite them to sign an authorization card?

		The National Labor Relations Board (NLRB) conducts a secret-ballot election if only 30 to 50 percent of employees signed cards.
		The unions determine who is eligible to vote.
		The union is automatically recognized if at least 30 percent of employees agree.
		The National Labor Relations Board (NLRB) certifies the union as the exclusive representative of employees if the employer refuses to sign the card.
		The employees cannot participate in any of the proceedings.