Where an employer initiated a temporary layoff lasting less than six months, it did not qualify as a mass layoff under the Worker Adjustment and Retraining Notification Act and the employer was not required to give 60 days notice.The 7th U.S. Circuit Court of Appeals affirmed a decision by Chief U.S. District Judge Nancy J. Rosenstengel, Southern District of Illinois.Hamilton County Coal LLC operates a coal mine near Dahlgren outside Mount Vernon in southern Illinois. In February 2016, Carl Leeper and 157 other full-time …