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JDF 1403

Motion to Modify Child Support

Colorado · Colorado Judicial Branch · Effective July 1, 2023

This form is used to ask the court to change the current child support payment amount. It asks for details about the parents, the children, the current support order, and the reasons why a change is needed.

Open the official PDFfrom Colorado Judicial Branch

Where this fits in a case

After judgment

Stage: After judgment

This form is used when a party believes the current child support order needs to be changed because of a major life change. The form also directs parties to file other required documents, such as a Sworn Financial Statement.

Either party may file.

Common questions

Who should fill out this form?
The form is for the Petitioner, Respondent, or Co-Petitioner who is asking for the change in support. You must sign it before filing it with the court.
Are there other forms I need to file with this motion?
The form states that both parties must provide a Sworn Financial Statement (JDF 1111) and a Certificate of Compliance (JDF 1104) within 42 days of the service date.

Revision history

No changes recorded since we started tracking this form on October 10, 2026. The current version took effect July 1, 2023.

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