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."
Holding that courts must not "substitute [their] judgment for those of the Board with respect to the issues that Congress intended the Board should resolve"
Holding review of the Board's decision to apply a new rule of law retrospectively is deferential and that the Board's ruling will be disturbed only if it wreaks manifest injustice
Concluding that knowledge possessed by union members was not attributable to union because there was no evidence in the record that the members were agents of the union