Problem: In the context of union certification elections, identify the true statements about the National Labor Relations Board (NLRB). (Check all that apply.) Multiple select questions. It conducts a union certification election upon receipt of a petition signed by at least 15% of the employees. It allows an employer to file a petition for a union certification election to invalidate certification of an incumbent union. It decides which employees are entitled to vote in a union certification election. It permits a second union certification election in the same year if a union loses the certification vote in the first election. Need Assignment Help?