Child Support Modification Petition in Illinois
Start with the official Illinois form
The canonical, court-accepted version of this form is published by the Circuit Court (Family Division) in the county of the order. Search your county or district court's website for the current Child Support Modification Petition form before relying on any template. Forms are revised periodically — always confirm you have the current revision before filing.
Verify with your local court clerk before filing: local rules sometimes add cover-sheet, formatting, or service requirements beyond what the state-issued form shows.
Illinois Requirements
- Substantial change in circumstances OR 20%/$10 deviation from current guideline calculation
- Petition to Modify + Financial Affidavit (Income/Expense)
- Income shares guideline (use HFS calculator) attached
- Service per Supreme Court Rule 105 if other party not represented
- Modifications retroactive to date of filing only (no earlier)
Circuit Court (Family Division) in the county of the order
$70–$340 motion fee (varies by county; waivable for indigent)
How to Complete This Form
- 1Obtain a blank quitclaim deed form that complies with your state's requirements.
- 2Enter the full legal name and address of the grantor (the person transferring the property).
- 3Enter the full legal name and address of the grantee (the person receiving the property).
- 4Include the complete legal description of the property (obtained from the current deed or county records).
- 5Sign the deed in the presence of a notary public and any required witnesses.
- 6File the deed with the county recorder's office along with any required transfer tax forms and fees.
- 7Keep a copy of the recorded deed for your records.
Editorial Template (Not the Official Court Form)
This is an educational template showing the typical structure of a Child Support Modification Petition in Illinois. It is not a court-validated form and should not be used in place of the official form issued by the Circuit Court (Family Division) in the county of the order. Use this template only to understand what information you will need to assemble before completing the official form. Submitting this template instead of the official form may result in rejection by the court clerk.
Child Support Modification Petition in Other States
Other Forms in Illinois
When to Talk to a Lawyer
- Your situation involves complex legal issues or significant financial consequences.
- You are unsure whether the form meets your state's specific requirements.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.