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FL-390Mandatory

Notice of Motion and Motion for Simplified Modification of Order for Child, Spousal, or Family Support

California · Judicial Council of California · Effective January 1, 2003

This form is used to tell the court and the other parent that you are asking the judge to change an existing order for child support, spousal support, or family support. It also includes a section to prove that you properly gave copies of the request to everyone involved.

The court describes it as: Tell the other parent (or party) details about a hearing to ask the court to change an order for child support, spousal or domestic partner support, or family support. Explains what other forms need to be complete and how to serve the documents on the other parent.

Open the official PDFfrom Judicial Council of California

Where this fits in a case

After judgment

Stage: After judgment

This form is used when a person needs to ask the court to change the amount of support payments that were set by a previous court order.

Either party may file.

Common questions

What is this form for?
This form is used to ask the court to change an existing order for child support, spousal support, or family support. It is called a Notice of Motion and Motion for Simplified Modification of Order for Child, Spousal, or Family Support.
Who needs to fill out this form?
The form has sections for the petitioner/plaintiff, respondent/defendant, and other parent, suggesting either party can use it to request changes.
What does the Proof of Service section require?
The Proof of Service section requires someone who is at least 18 and not a party to the case to fill it out and sign it, showing how and when the motion was given to the other party and the local child support agency.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect January 1, 2003.

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