In NLRB v. Textile Workers, supra, and Machinists v. NLRB, 412 U.S. 84 (1973) (per curiam), the Court found as a corollary that unions may not fine former members who have resigned lawfully.
29 U.S.C. § 151 Cited 5,092 times 34 Legal Analyses
Finding that "protection by law of the right of employees to organize and bargain collectively safeguards commerce" and declaring a policy of "encouraging the practice and procedure of collective bargaining"