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https://www.illinoislegalaid.org/legal-information/child-support-modification
Date: 09/14/2025

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  1. Home
  2. Family & Safety
  3. Child support and child care
  4. Request to change child support

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Family & Safety

Worried about doing this on your own?  You may be able to get free legal help.

Apply Online
Request to change child support Easy Form
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This Easy Form helps you ask the court to increase or decrease your current child support order. This is called child support modification.

The Easy Form does not e-file your forms. You can download the forms and e-filing instructions at the end of the program.

Learn more about changing child support payments.

This program will help you make your court forms. It will ask questions for you to answer. At the end of the program, you will get completed court forms and instructions. You can save and print them, or the program can email them to you.

Form completion time: 20 minutes to 30 minutes

You will be able to save your work in the middle of the program.

The button below takes you to another website to complete the guided interview. Learn more about Easy Forms.

The interview and forms are in English.

Can I use this program?

To use this program, you must:

  • Have a child support order from an Illinois court, and
  • Want to change (increase or decrease) your child support order due to a change in circumstances for you, the other parent, or the children.

Examples of a change in circumstances:

  • One of the parents got a raise,
  • One of the parent’s work hours were cut, or
  • Your child has new medical bills not covered by insurance.

What do I need first?

To use this program, you will need:

  • A copy of your original child support order,
  • An explanation of why your child support order should be changed, and
  • Information about both parents, including contact information and details about employment.

What documents will this create?

This program prepares the following forms. The forms you get will depend on your answers.

  • Instructions
  • Notice of Court Date for Motion
  • Financial Affidavit
  • Child Support Information Sheet
  • How to get an Order for Support - Instructions
  • Order for Support
  • Income Withholding for Support
  • Letter to Division of Child Support Enforcement
  • Letter to Employer

Forms for use in Cook County:

  • Petition to Modify Child Support
  • Affidavit as to Military Service
  • Certification and Agreement by Counsel
  • Order Granting Petition to Modify Support
  • Order Denying Petition to Modify Support

Forms for use outside Cook County:

  • Petition for Modification of Child Support
  • Order Modifying Child Support
  • Certificate of Mailing of Income Withholding for Support

Easy Form program opens in a new tab or window.

Start program
Mobile-friendly
Last full review by a subject matter expert
November 01, 2020
Last revised by staff
July 17, 2025

About our legal information

Forms

Financial affidavit Easy Form
This Easy Form helps you provide financial information and documents to the other party in family law cases. It uses the statewide Financial Affidavit (Family and Divorce Cases) forms.
Motion to modify the allocation of parental responsibilities Blank form
Use this form to change the allocation of parental responsibility or child support.
Order for Support Blank form
Use this form to have the judge in your child support case record their decision.

Worried about doing this on your own?  You may be able to get free legal help.

Apply Online

Forms

Financial affidavit Easy Form
This Easy Form helps you provide financial information and documents to the other party in family law cases. It uses the statewide Financial Affidavit (Family and Divorce Cases) forms.
Motion to modify the allocation of parental responsibilities Blank form
Use this form to change the allocation of parental responsibility or child support.
Order for Support Blank form
Use this form to have the judge in your child support case record their decision.
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ILAO is a registered 501(c)(3) nonprofit organization. ILAO's tax identification number is 20-2917133.

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© 2025 Illinois Legal Aid Online. 
All rights reserved.
 
ILAO is a registered 501(c)(3) nonprofit organization. ILAO's tax identification number is 20-2917133.