If the employee is fired, the check should be paid at the time of separation, if possible, but not later than the next pay day. 820 ILCS 115/5. The same is true if the employee quits. Id. If the employee requests that his/her final pay be paid by check and mailed to the employee, the employer must comply with this request. Id.
The Illinois Department of Labor enforces this law and provides assistance to employees in the collection of wages or final compensation.