If you think that your employer is violating those protections, you may be able to litigate for wrongful termination. So, according to this rule, your employer may fire you, even if you bring them a doctor's note.Is it illegal for an employer to not accept a doctor's note? In many cases, the answer is yes. Wrongful termination, also referred to as wrongful discharge, is the act of firing an employee for an illegal reason. However, laws make it illegal to fire an employee for certain reasons. Looking for court forms or information about representing yourself in a court case?