In fact, the Illinois Equal Pay Act protects not just women, but individuals of any sex from pay discrimination on the basis of sex. A wage claim starts the process to collect on those unpaid wages or benefits.It is simply that unions are permitted but that employees are not required to join the union. More info at Right-to-work law - Wikipedia. Online - Employers can register through the MyTax Illinois website. Because Illinois is largely an at-will employment state, most employers are permitted to fire employees at any time for any reason or even no reason at all. As of April 2019, Illinois is not a righttowork state. We recognize the important role of family caregivers in supporting the health and wellness of Veterans. USCIS field offices do not allow walkins. You must have an appointment to visit an office.