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12.905(b)

Supplemental Petition for Modification of Child Support

Florida · Florida Supreme Court · Effective November 1, 2015

This form is used to ask the court to change an existing court order about child support payments. The court can change the order if the judge believes there has been a big change in the people's lives and that the change is best for the child(ren).

Open the official PDFfrom Florida Supreme Court

Where this fits in a case

After judgment

Stage: After judgment

This form is used when a person wants the court to change a child support order that was already put in place. The court will only change it if a judge finds a substantial change in the circumstances and that the change is in the child(ren)’s best interests.

Either party may file.

Common questions

What must I file with this form?
When filing this form, you must also file several other documents, such as the Child Support Guidelines Worksheet and the Family Law Financial Affidavit.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect November 1, 2015.

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