How does the Department define the term “mass layoff” for the purposes of rapid response?

For the purposes of rapid response, the term “mass layoff” used throughout this subpart will have occurred when at least one of the following conditions have been met: (a) A layoff meets the State's definition of mass layoff, as long as the definition does not exceed a minimum threshold of 50 affected workers; (b) Where a State has not defined a minimum threshold for mass layoff meeting the requirements of paragraph (a) of this section, layoffs affecting 50 or more workers; or (c) When a Worker Adjustment and Retraining Notification (WARN) Act notice has been filed, regardless of the number of workers affected by the layoff announced.