My employer did not withhold any state taxes. I provided them with an updated withholding document. They withhold taxes for other employees in other states, but did not

[dollfehrenbach]

They did not withhold any Illinois state Income Tax despite me subitting an updated document.  Is this legal?

[pk]

An employer is generally required to withold income taxes ( federal, FICA and state ) on all employees.  Best negotiate with the employer, because , while you can complain to  state DOR, they may impose fine and make the employer very unhappy.  If they did not withhold any taxes at all  ( no federal,no state or FICA ) then they are considering you as a non-employee. If you do fit the definiton of an employee and the employer is treating you as a non-employee  for tax pruposes ( issues you 1099-misc ) that is very illegal and  can incur significant fines for the employer.  That is why I suggest , please talk to the employer and try to resolve the issue.