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)

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