397 U.S. 99 (1970) Cited 222 times 2 Legal Analyses
Holding that the NLRB is "without power to compel a company or a union to agree to any substantive contractual provision of a collective-bargaining agreement."
In Pittsburgh Glass, the Court held that it was not a denial of due process for the Board to refuse to consider evidence relating to the certification issue when petitioner first sought to introduce such evidence at the unfair labor practice hearing.