Not all states have "right to work" laws. Learn what these laws mean, how they impact unions, and whether your state has a 'right to work' law at FindLaw.Verify is an online system in which employers can check their employee's work eligibility. (Illinois Preference Act), also known as the "Preference to Illinois Citizens. Right-to-work is a term describing state legislation that prohibits employees from being required to join or financially support a labor union. The Fair Labor Standards Act (FLSA) establishes minimum wage, overtime pay, recordkeeping, and child labor standards affecting full-time and part-time workers. A new amendment to the Illinois constitution that would give workers the "fundamental right to organize and to bargain collectively" As of April 2019, Illinois is not a righttowork state. Use Form I9 to verify the identity and employment authorization of individuals hired for employment in the United States. 448.105 Existing rights.