Modify an Existing Florida Family Court Order

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Florida family court orders are not frozen forever, but changing one requires filing a supplemental petition in the same circuit court case and showing a substantial change in circumstances since the last order.

For child support, section 61.30 provides a concrete benchmark: a difference of 15 percent or 50 dollars per month between the existing order and a new guideline calculation is the standard threshold. For parenting plans and time-sharing, the change must be substantial, material, and generally unanticipated. The supplemental petition forms live in the official forms index below.

Official Florida modification resources

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Florida Family Law Forms (official index) (Florida State Courts System): The complete, current collection of Florida Supreme Court approved family law forms with instructions. When in doubt, start here. https://flcourts.gov/Resources-Services/Office-of-Family-Courts/Family-Law-Forms-Self-Help-Information

§ 61.30, Child support guidelines; retroactive child support (Florida Legislature): Florida's child support guideline formula. Combines both parents' net monthly incomes, applies the statutory schedule, then adjusts for time-sharing, health insurance, and childcare. http://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&Search_String=&URL=0000-0099/0061/Sections/0061.30.html

§ 61.13, Support of children; parenting and time-sharing; powers of court (Florida Legislature): Core statute for child support orders and parenting plans. Establishes the 'best interests of the child' standard and the 20 statutory factors the court must weigh when ordering time-sharing. http://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&Search_String=&URL=0000-0099/0061/Sections/0061.13.html

Family Law Financial Affidavit (Short Form), form 12.902(b) (Florida State Courts System): An updated financial affidavit usually accompanies a support modification request. https://www.flcourts.gov/content/download/685812/file_pdf/902b10-21.pdf

Florida Courts E-Filing Portal (Florida Courts E-Filing Authority): One statewide portal covers every Florida county and is built for self-represented people as well as lawyers. E-filing is optional for you, and paper filing with your clerk is still fine. https://www.myflcourtaccess.com/

Frequently asked questions

What counts as a substantial change in Florida?

For support, the 15 percent or 50 dollar monthly variance in section 61.30 is the usual benchmark. For time-sharing, courts look for a substantial and material change that was not anticipated when the current order was entered. The judge decides whether your facts meet the standard.

Do I start a new case to modify?

No. A modification is filed as a supplemental petition inside your existing circuit court case, using the supplemental petition forms from the official index, and the other parent must be served.