Gruma Corp. v. United Food & Commercial Workers Union, Local 99

**What Happened** Gruma Corporation, a food company, had a dispute with the United Food & Commercial Workers Union Local 99 over how the company treated an employee. The union claimed that Gruma violated the worker's rights under their collective bargaining agreement (the contract between the company and union that sets workplace rules). The case went to an arbitrator first, who ruled in favor of the employee and union, finding that Gruma didn't follow proper procedures when taking action against the worker. **What the Court Decided** The Ninth Circuit Court of Appeals sided with the union. The court upheld the arbitrator's decision, confirming that Gruma had indeed violated the employee's due process rights under the collective bargaining agreement. This meant the company failed to follow the fair procedures required by their contract with the union. **Why This Matters for Workers** This ruling reinforces that employers must follow the procedures outlined in union contracts, even when disciplining employees. Workers covered by collective bargaining agreements have contractual rights to fair treatment, and companies cannot ignore these protections. The decision shows that courts will back up arbitrators' findings when employers violate these workplace due process rights.