A child support order reflects the day it was entered. Incomes change, schedules change, and children get more expensive. Florida lets you change the order to match, but only through a filing, and only from the date you file. Every month you wait is a month you cannot recover.
The threshold: what makes a change substantial
Section 61.14 lets a court modify support on a substantial change in circumstances. Section 61.30(1)(b) treats a change that produces a difference of at least 15 percent or 50 dollars, whichever is greater, from the current order as substantial.
Beyond the number, the change generally has to be permanent, material, and involuntary. A temporary dip, a seasonal swing, or a voluntary pay cut usually will not carry the petition.
Reasons that commonly support a modification
The changes courts see most often, on either side of the order:
- A significant, lasting increase or decrease in either parent's income
- Involuntary job loss, or a disability that changes earning capacity
- A change in the timesharing schedule that crosses the 20 percent overnight threshold
- A large change in child care costs, for example a child aging out of daycare
- A change in the cost of health insurance for the child
- A child with a new medical or special need that adds recurring cost
- One child aging out, when the order did not already state the stepped-down amount
Retroactivity: the date that costs money
A modification is generally retroactive only to the date the supplemental petition is filed. A parent whose income was cut in half in January but who files in September pays the old amount for those eight months, and there is no recovery afterward.
The lesson is the same for both parents. File when the change happens, not when the arrears become painful.
How to file
The process is the same in every Florida circuit, and the approved forms cover each step:
- File a Supplemental Petition for Modification of Child Support in the court that entered the order
- File a current financial affidavit, short or long form depending on income
- Serve the other parent properly, by personal service or by the method the rules allow
- Exchange mandatory disclosure documents under Rule 12.285
- Complete the child support guidelines worksheet with the current figures
- Attend mediation if the court requires it, which most circuits do
- Attend the hearing, or submit an agreed order if the parents reach terms
The Department of Revenue route
If the Florida Department of Revenue administers the case, either parent can request a review. DOR reviews orders periodically and will pursue a modification when its review shows the guideline amount has moved enough.
It is free, but it is slower than filing yourself and it addresses support only. If timesharing is also in dispute, the court case is the better vehicle.
Keep paying while it is pending
The existing order stays in force until a judge signs a new one. Reducing payments unilaterally because a petition is on file creates arrears that survive the modification and invites a contempt motion.
Pay the ordered amount, keep proof of every payment, and let the retroactive adjustment sort out the difference when the new order is entered.
Questions about your own case?
Yvette B. Reyes, Esq. offers a free first consultation, in English or Spanish, for families across South Florida and the Treasure Coast.
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This article is general information about Florida law, not legal advice about your situation, and reading it does not create an attorney-client relationship. Florida law changes, and every case turns on its own facts. Full disclaimer.