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Mass Layoffs, Reductions in Force and Plant Closings: California

Mass Layoffs, Reductions in Force and Plant Closings requirements for other states

Federal law and guidance on this subject should be reviewed together with this section.

Author: Lisa Pierson Weinberger, Mom, Esq. and XpertHR Editorial Team


  • California covers more employers that are planning mass layoffs or plant closings than the federal Worker Adjustment and Retraining Notification Act. It also inludes more triggering events See California WARN Act.
  • Certain California employers must offer positions to laid-off employees based on a preference system. See Right to Recall Law.
  • California law protects some employees of grocery establishments for a period of time following a change in ownership. See California Grocery Workers Retention Act.
  • Localities including Los Angeles, Oakland and San Francisco have requirements pertaining to mass layoffs, reductions in force and plant closings. See Local Requirements.