Income Shares

Child Support Guidelines-Income Shares

The amended income shares child support guidelines model became effective on January 1, 2019, signed into law as Public Act 100-0923 on August 17, 2018.

• 2022 Addendum to the Illinois Schedule of Basic Obligations and Standardized Net Income Table (pdf)
  
• 2022 Gross to Net Income Conversion Table Using Standardized Tax Amounts (pdf)
  
• 2021 Addendum to the Illinois Schedule of Basic Obligations and Standardized Net Income Table (pdf)
• Technical Documentation: Illinois Schedule of Basic Obligations and Standardized Net Income Table (pdf)
• 2018 Addendum to the Illinois Schedule of Basic Obligations and Standardized Net Income Table (pdf)
• 2019 Addendum to the Illinois Schedule of Basic Obligations and Standardized Net Income Table (pdf)
• 2020 Addendum to the Illinois Schedule of Basic Obligations and Standardized Net Income Table (pdf)
• 2021 Gross to Net Income Conversion Table Using Standardized Tax Amounts (pdf)
• Income Shares Schedule Based on Net Income (pdf)
• Support Obligation Worksheet (pdf)
• Shared Physical Care Support Obligation Worksheet (pdf)
• Illinois Child Support Estimator
• Frequently Asked Questions (pdf)