You risk a lawsuit if you don’t advise employees of their. Employees are entitled to individual notice so they can make informed decisions about when to return to work.
Recent case: Kyle tookafter foot surgery. His company’s handbook included the official explaining that jobs are only guaranteed for 12 weeks, but Kyle claimed he never saw it. After failing to return after 12 weeks, he was fired.
Kyle sued, claiming he would have made other arrangements had he known his job was in danger. The court said his case could go to trial. (Brown v. American Sintered Technologies, No. 4:14-CV-0410, MD PA, 2015)