Modifying Parenting Plans, Custody & Child Support Orders in Florida
Life changes — and when circumstances shift significantly, Florida law allows you to petition the court to modify existing parenting plans, timesharing schedules, child support orders, and alimony. Understanding the substantial change standard is key.
Speak with a Florida family-law attorney about your situation. Reyes Miller Law Group represents families throughout Florida.

FLORIDA FAMILY-LAW ATTORNEY
Speak directly with an experienced Florida attorney.
Yvette B. Reyes and Reyes Miller Law Group help Florida families with divorce, custody, timesharing, parenting plans, child support, modifications, enforcement, and other family-law matters. Your consultation is with a real law firm—not an automated legal-information service.
Practicing in Florida since 1995 · Offices in Coral Gables & Boca Raton · Statewide representation · English & Spanish
The Florida Bar · Official Record
Yvette Barbara Reyes
- Bar Number
- 53510
- Admitted
- 08/25/1995
- County
- Palm Beach
- Discipline History
- None
The Substantial Change Standard
To modify a parenting plan or child support order in Florida, you must demonstrate a substantial, material, and unanticipated change in circumstances since the last order. Common qualifying changes include:
- Significant increase or decrease in either parent's income
- Relocation of either parent
- Changes in the child's needs (medical, educational, behavioral)
- A parent's new work schedule that conflicts with the current plan
- Substance abuse or mental health issues
- Remarriage or new children
- The child aging into a new developmental stage
- One parent consistently violating the current order
How to File for Modification
Modifications are initiated by filing a Supplemental Petition for Modification with the court that issued the original order. You must clearly state what changed and what modification you are requesting. The other parent will have an opportunity to respond, and the court may schedule mediation before a hearing.
Temporary vs. Permanent Modifications
If circumstances warrant immediate action — such as a parent's arrest or a child safety concern — you can request a temporary modification pending a full hearing. Temporary modifications are faster but require strong evidence of urgency. Permanent modifications go through the standard process.
Real-World Scenarios
Parent loses job and can't afford current support
You must file a petition for modification — you cannot unilaterally reduce payments. The court will consider your job search efforts, your earning capacity, and whether the income change is truly involuntary. Until the court modifies the order, the full amount accrues.
Child enters school and current schedule doesn't work
A child starting school is a common basis for modification. The schedule may need to shift to align with school hours, and decisions about which school the child attends may need to be addressed in the parenting plan.
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