Income Shares

Child Support Guidelines-Income Shares

The income shares child support guidelines model will go into effect on July 1, 2017, signed into law as Public Act 100-0015 on June 30, 2017.

• Illinois Income Shares Overview (pdf)

• Technical Documentation: Illinois Schedule of Basic Obligations and Standardized Net Income Table (pdf)

• 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)