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.

• 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)