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Equal Pay Act of 2003

The Equal Pay Act of 2003 prohibits employers from paying unequal wages to men and women for doing the same or substantially similar work, requiring equal skill, effort, and responsibility, under similar working conditions for the same employer in the same county, except if the wage difference is based upon a seniority system, a merit system, a system measuring earnings by quantity or quality of production, or factors other than gender. It also prohibits employers from paying African-American employees less than another employee who is not African-American for the same or substantially similar work.​​​

The Illinois Department of Labor (IDOL) partnered with Women Employed to raise awareness of pay equity and equal pay rights among low-wage women workers. Click the link below for additional resources.


  • Equal Pay Act Information: (312) 793-6797​
  • Toll Free HOTLINE: (866) EPA-IDOL (866-372-4365)​


Equal Pay Registration Certificate