What Does It Mean to Modify a Parenting Plan in Florida?
A Florida parenting plan is a court order. Once a judge approves it as part of a divorce, paternity case, or other family law proceeding, both parents are legally bound by its terms. The plan typically covers the time-sharing schedule, holiday and summer arrangements, decision-making authority over education and health care, transportation and exchanges, and how parents will communicate about the child.
Life rarely stays the same for the 18 years a parenting plan may govern. Parents change jobs, remarry, move, develop health problems, or simply find that a schedule designed for a toddler no longer works for a teenager. Florida law recognizes this by allowing a parenting plan or time-sharing schedule to be modified, but only when certain legal requirements are met.
A modification is not a fresh start. The court does not reopen the original case and decide custody from scratch. Instead, the parent asking for the change must prove that circumstances have shifted in a meaningful way since the last order and that the requested change serves the child’s best interests. Understanding that burden is the first step toward deciding whether a modification case is worth pursuing, and it is the question a Tampa custody lawyer will usually explore in an initial consultation.
Florida law no longer uses the word “custody” in its statutes. Courts instead refer to “parental responsibility” and “time-sharing.” Most parents still say custody, and this article uses both terms interchangeably.
What Counts as a Substantial Change in Circumstances?
Under section 61.13 of the Florida Statutes, a court may modify a parenting plan or time-sharing schedule only after finding two things. First, there must be a substantial and material change in circumstances since the most recent order. Second, the proposed modification must be in the best interests of the child.
Both elements are required. A parent who proves a major life change but cannot show that the child would benefit from a new arrangement will not succeed. The reverse is also true. A parent who believes a different schedule would be better, without any meaningful change since the last order, generally cannot relitigate the original decision.
Substantial
A substantial change is one of real significance. Minor disagreements, occasional late exchanges, or a single missed weekend usually do not meet this threshold. Courts look for changes that affect the child’s daily life, safety, stability, or relationship with a parent in a lasting way.
Material
A material change is one that relates directly to the parenting arrangement. A parent’s new car or a modest raise may be a change, but it is not material to where the child sleeps or who makes school decisions. The question is whether the change bears on the child’s welfare and the workability of the current plan.
Measured From the Last Order
The comparison point is the most recent parenting order, not the original divorce. If a plan was modified two years ago, the court looks at what has changed since that modification. Facts the court already considered in an earlier ruling generally cannot be recycled as a new basis for change.
The Burden of Proof
The parent seeking the modification carries the burden. Florida courts have long described this as an extraordinary burden, reflecting a policy that children benefit from stability and that parents should not be dragged back to court every time a dispute arises. A Hillsborough County custody attorney will typically evaluate the strength of the evidence before recommending that a parent file, because a weak case can damage credibility and increase costs for both sides.
How Did the 2023 Changes to Florida Law Affect Parenting Plan Modifications?
On June 27, 2023, Florida enacted House Bill 1301, which took effect on July 1, 2023. The law made several significant changes to section 61.13, and two of them directly reshaped modification cases.
The “Unanticipated” Requirement Was Removed
Before July 1, 2023, a parent seeking modification had to prove a substantial, material, and unanticipated change in circumstances. That third word carried a great deal of weight. If a change was reasonably foreseeable when the original plan was entered, courts often ruled that it could not support a modification, even if it was significant.
This created difficult results. Children grow up, and their needs at 14 are very different from their needs at 4. Because a child’s aging was arguably anticipated, some courts refused to treat developmental changes as grounds for modification. Similarly, if a parent’s career path or a likely move was known at the time of the divorce, the other parent could argue the change was anticipated and therefore irrelevant.
HB 1301 deleted the word “unanticipated.” Today, a parent must show only a substantial and material change in circumstances, along with a showing that the modification is in the child’s best interests. This opened the door to modification cases that would likely have failed under the old standard. A Tampa custody lawyer reviewing a case that was denied or never filed before 2023 may now see a viable path forward.
The standard has not become easy. The change must still be substantial and material, and the best interests analysis still controls the outcome. What changed is that a parent is no longer automatically barred because a development could have been predicted years earlier.
Relocation Closer to the Child
The 2023 law, along with a follow-up correction to the statute, also addressed a parent who moves closer to the child. When the parents lived more than 50 miles apart at the time the last time-sharing schedule was entered, a parent’s later move to within 50 miles of the other parent is treated as a substantial and material change in circumstances. The court must still find that modifying the schedule is in the child’s best interests.
This provision matters for parents who received limited time-sharing because of distance. A parent who relocates back to the Tampa Bay area to be near a child no longer has to argue over whether that move qualifies as a substantial change. The statute answers that question, and the case focuses on what schedule would best serve the child.
Written Findings Are Required
HB 1301 also requires the court to evaluate the statutory best interest factors and make specific written findings of fact when creating or modifying a time-sharing schedule. This gives both parents a clearer record of why a decision was made and creates a more defined basis for appeal if a parent believes the court erred.
Does the 50/50 Presumption Apply When Modifying a Parenting Plan?
The most publicized part of HB 1301 was the creation of a rebuttable presumption that equal time-sharing is in a child’s best interests. A parent who wants an unequal schedule must rebut that presumption by a preponderance of the evidence, meaning it is more likely than not that a different arrangement better serves the child.
How this presumption interacts with modification cases has been a frequent point of discussion among Florida family law practitioners. The presumption is written into the provisions governing how courts establish time-sharing, while the modification provision separately requires a substantial and material change and a best interests determination. The practical effect in a given case can depend on the facts, the existing order, and how the assigned judge applies the statute.
What is clear is that the 2023 law shifted the overall framework toward shared parenting. Parents with older plans that give one parent the majority of overnights often ask whether the new presumption alone entitles them to equal time. In most situations, the answer is no. The change in the law is not itself treated as a change in the family’s circumstances. A parent still needs to identify a substantial and material change in the family’s actual situation before the court will revisit the schedule.
Once that threshold is met, however, the court evaluates the best interests factors under the current version of the statute, which reflects the Legislature’s emphasis on both parents remaining meaningfully involved. Because the analysis is fact specific, parents considering a request for equal time-sharing benefit from having a Tampa child custody attorney assess how the presumption and the modification standard are likely to apply to their circumstances.
What Are Common Examples of a Substantial Change?
No statute lists every situation that qualifies. Each case turns on its facts. That said, certain types of changes regularly form the basis of modification requests in Florida courts.
Changes That Often Support Modification
- Relocation of a parent. A move that makes the current schedule impractical, or a move closer to the child under the 2023 provision, can qualify. A parent’s move of more than 50 miles for at least 60 consecutive days also triggers Florida’s separate relocation statute.
- Substance abuse or mental health concerns. A parent’s new or worsening substance abuse, or untreated mental health issues that affect parenting, can justify changes to time-sharing or decision-making authority.
- Domestic violence or child abuse. Evidence of abuse, neglect, or violence in a parent’s home is among the most serious grounds for modification and may also support emergency relief.
- Persistent interference with time-sharing. A pattern of withholding the child, refusing exchanges, or undermining the child’s relationship with the other parent can be a substantial change.
- A parent’s consistent failure to exercise time-sharing. When one parent routinely skips scheduled time, the plan on paper no longer matches reality, and the child’s stability may suffer.
- Significant changes in a parent’s work schedule. A new position with overnight shifts, frequent travel, or military deployment can make an existing schedule unworkable.
- The child’s changing needs. Medical conditions, special educational needs, or developmental changes as a child grows older carry more weight now that the unanticipated requirement is gone.
- Dangerous conditions in a household. A new partner with a criminal history or an unsafe living environment can affect the analysis.
Changes That Usually Fall Short
- Ordinary disagreements about discipline, screen time, or diet
- A single missed visit or occasional late exchange
- A modest change in income that does not affect parenting
- One parent’s remarriage, standing alone
- A child’s stated preference without other supporting facts
- Dissatisfaction with a schedule that has not caused any actual problems
A child’s wishes deserve a brief note. Florida courts may consider the reasonable preference of a child who has sufficient intelligence, understanding, and experience to express one. A teenager’s preference may carry meaningful weight, but it is one factor among many and rarely decides a case by itself.
The line between these categories is not always obvious. A pattern of minor problems can sometimes add up to a substantial change, especially when it is documented over time. An experienced Tampa custody lawyer can help a parent distinguish between frustration that belongs in co-parenting communication and facts that genuinely support a petition.
How Do Courts Decide What Is in the Child’s Best Interests?
Proving a substantial and material change gets a parent through the door. The best interests analysis decides what happens next. Section 61.13(3) lists factors the court must evaluate, and since 2023 the judge must make written findings on them when modifying a time-sharing schedule.
The factors include, among others:
- Each parent’s demonstrated capacity to facilitate and encourage a close and continuing relationship between the child and the other parent, honor the time-sharing schedule, and be reasonable when changes are needed
- Each parent’s ability to put the child’s needs ahead of their own needs or desires
- The length of time the child has lived in a stable environment and the desirability of maintaining continuity
- The moral fitness and the mental and physical health of each parent
- The home, school, and community record of the child
- The reasonable preference of the child, when the child is mature enough to express one
- Each parent’s knowledge of the child’s circumstances, including friends, teachers, medical providers, and daily activities
- Each parent’s ability to provide a consistent routine for discipline and daily schedules
- Each parent’s ability to communicate with the other parent about the child and to keep the other parent informed
- Evidence of domestic violence, sexual violence, child abuse, abandonment, or neglect
- Each parent’s demonstrated involvement in the child’s school and extracurricular activities
- Each parent’s capacity to maintain an environment free from substance abuse
- Each parent’s ability to protect the child from ongoing litigation, including not discussing the case with the child
- The developmental stages and needs of the child
No single factor controls. Judges weigh them together based on the evidence presented. In practice, factors relating to cooperation and communication often carry significant weight in modification cases, because the dispute itself tends to reveal how each parent handles conflict.
This is one reason parents should be careful about their conduct during a modification case. Hostile text messages, disparaging comments to the child, or refusing reasonable schedule changes can all become evidence on these very factors.
What Is the Process for Modifying a Parenting Plan in Hillsborough County?
Modification cases in Tampa are handled by the family law division of the Thirteenth Judicial Circuit, which serves Hillsborough County. While every case is different, most follow a similar path.
- Confirm the court has jurisdiction. Generally, the court that entered the original parenting plan keeps jurisdiction to modify it, as long as the child or a parent continues to live in Florida. If the original order came from another county or another state, the Uniform Child Custody Jurisdiction and Enforcement Act determines where the case belongs, and the case may need to be transferred or registered.
- File a supplemental petition. The parent seeking change files a Supplemental Petition to Modify Parenting Plan/Time-Sharing Schedule. The petition must describe the substantial and material change, explain why the modification serves the child’s best interests, and attach or propose a revised parenting plan. A UCCJEA affidavit is also required.
- Serve the other parent. The other parent must be formally served with the petition. They then have 20 days to file an answer, and they may file a counter-petition requesting their own changes.
- Exchange financial information. When a time-sharing change will affect child support, which it often does because overnights are part of Florida’s support calculation, both parents must file financial affidavits and complete mandatory disclosure.
- Attend mediation. Family mediation is generally required before a contested modification goes to trial in Hillsborough County. Many cases settle at this stage, with the parents signing an agreed modified parenting plan.
- Complete discovery and evaluations if needed. In contested cases, parties may exchange documents, take depositions, and in some situations request a guardian ad litem, a social investigation, or a psychological evaluation.
- Proceed to hearing or trial. If the parents cannot agree, the judge hears evidence, applies the substantial change and best interests standards, and issues a written order with findings.
The timeline varies widely. An agreed modification can be finalized in a matter of weeks, while a fully contested case may take many months. Working with a Tampa custody lawyer from the beginning helps ensure the petition is drafted to meet the statutory standard and that deadlines, disclosure, and local procedures are handled correctly. Errors at the filing stage can delay a case or result in dismissal, which is a costly setback for a parent who needs a change quickly.
Can Parents Agree to Change a Parenting Plan Without Going to Trial?
Yes. When both parents agree on a new arrangement, they can submit a signed, agreed modified parenting plan to the court for approval. The judge still reviews the agreement to confirm it serves the child’s best interests, but an uncontested modification is typically faster, less expensive, and less stressful for everyone involved.
Parents should avoid relying on informal side agreements. Many parents simply begin following a different schedule without updating the court order. That may work while the relationship is cooperative, but the written order remains enforceable. If a dispute arises later, the parent who has been following the informal arrangement may find that the court enforces the original plan. An informal change can also create child support problems if the existing support order no longer reflects the actual time-sharing. Putting an agreed change in writing and having it approved protects both parents.
What Happens When a Parent Wants to Relocate With the Child?
Relocation is governed by its own statute, section 61.13001. In Florida, relocation means a change in a parent’s principal residence of at least 50 miles from where the parent lived when the last order was entered, for at least 60 consecutive days. A move for a temporary purpose, such as a vacation or certain educational or medical reasons, generally does not count.
A parent who wants to relocate with the child must either obtain the other parent’s written agreement or file a petition to relocate that meets detailed statutory requirements. Moving without following this process can have serious consequences, including an order to return the child and adverse findings in future proceedings. Relocation cases have their own factors and procedures, so they are often handled alongside, but separately from, a standard modification petition.
What If the Child Is in Immediate Danger?
A standard modification case takes time. When a child faces an immediate risk of harm, such as abuse, a parent’s dangerous impairment, or a threat to remove the child from the state, Florida courts can grant emergency relief. A parent may file an emergency motion seeking temporary changes to time-sharing while the underlying modification case moves forward.
Courts take emergency filings seriously, and they expect the facts to justify the urgency. An emergency motion filed over an ordinary scheduling dispute is likely to be denied and may harm the filing parent’s credibility. In true emergencies, contacting law enforcement and the Florida Abuse Hotline may be necessary in addition to any court filing. A Tampa custody lawyer can help determine whether a situation warrants emergency relief or should proceed through the normal modification process.
What Evidence Helps Prove a Substantial Change?
Courts decide modification cases on evidence, not frustration. Parents who document facts consistently are in a much stronger position. Useful evidence often includes:
- A calendar or log showing missed time-sharing, late exchanges, or denied visits
- Text messages, emails, and co-parenting app records
- School records, report cards, and attendance reports
- Medical, counseling, or therapy records related to the child
- Police reports, injunctions, or records from the Department of Children and Families
- Proof of a parent’s new work schedule, relocation, or living situation
- Testimony from teachers, coaches, health care providers, or other neutral witnesses
Co-parenting apps can be particularly helpful because they create time-stamped records that are difficult to dispute. Parents should communicate in writing whenever possible and keep their messages focused on the child. Anything written may eventually be read by a judge.
What Mistakes Should Parents Avoid?
Several common missteps can undermine an otherwise strong modification case:
- Withholding the child. Refusing to follow the current order because a parent believes it should change is one of the most damaging mistakes. Until the court modifies the plan, it must be followed.
- Involving the child in the dispute. Discussing the case with the child, asking the child to choose sides, or coaching the child’s statements works against the parent who does it.
- Posting about the case on social media. Social media posts are frequently used as evidence and rarely help the person who wrote them.
- Filing too early. A petition based on a short-lived or speculative change is likely to fail. Waiting until the change is established and documented often produces a better result.
- Overlooking child support. A change in overnights usually affects support. Parents should understand the financial consequences before filing.
A careful, measured approach tends to produce better outcomes. Parents who work with a Tampa family law attorney early can avoid these pitfalls and present their case in the most credible way.
Why Work With a Tampa Custody Lawyer on a Modification?
Modification cases look simple on paper, but the legal standard is demanding and the stakes are high. The outcome determines how much time a parent spends with their child and who makes major decisions about the child’s life. Legal guidance helps in several concrete ways.
First, an attorney can evaluate whether the facts actually meet the substantial and material change standard before a parent invests time and money in litigation. That honest assessment can save a parent from filing a case that is unlikely to succeed.
Second, counsel can explain how the 2023 amendments apply to a specific situation. Whether the removal of the unanticipated requirement opens a new opportunity, whether the relocation provision applies, and how the equal time-sharing presumption may factor in are all questions that depend on the details of the existing order and the family’s history.
Third, a Tampa custody lawyer familiar with the Thirteenth Judicial Circuit understands local procedures, mediation expectations, and the practical realities of litigating in Hillsborough County. That local knowledge helps cases move efficiently.
Finally, representation matters most when the other parent has a lawyer, when there are allegations of abuse or substance use, or when the case involves relocation or an interstate jurisdiction question. In those situations, the procedural and evidentiary demands can quickly overwhelm a parent trying to handle the case alone.
When choosing a custody lawyer in Tampa, parents should look for an attorney who focuses on family law, communicates clearly about strategy and costs, and gives a realistic assessment rather than simply promising a favorable result. A good first meeting should leave a parent with a clear understanding of the legal standard, the evidence that matters, and the likely next steps. Parents who prepare for that meeting by bringing the current parenting plan, any prior orders, and a written timeline of the changes they have observed will get the most out of the conversation with a Tampa custody lawyer.
Frequently Asked Questions
How long after a divorce can a parent ask to modify a parenting plan?
Florida law does not set a mandatory waiting period. A parent may file whenever a substantial and material change has occurred since the last order. That said, courts are skeptical of petitions filed shortly after a plan was entered, because there has been little time for circumstances to genuinely change.
Does a parent have to prove the change was unexpected?
No, not for cases governed by the current statute. Since July 1, 2023, Florida law requires only a substantial and material change in circumstances, plus a finding that the modification is in the child’s best interests. The former requirement that the change also be unanticipated was removed by HB 1301.
Can the 2023 law be used to get 50/50 time-sharing under an older plan?
The change in the law alone is generally not enough to reopen an existing plan. A parent still needs to show an actual substantial and material change in the family’s circumstances. Once that threshold is met, the court applies the current best interests analysis, which reflects Florida’s emphasis on shared parenting.
At what age can a child decide which parent to live with in Florida?
There is no age at which a child gets to decide. The court may consider the reasonable preference of a child who is mature enough to express one, and an older teenager’s views may carry more weight. The preference remains one factor among many in the best interests analysis.
Will modifying time-sharing change child support?
Often, yes. Florida’s child support guidelines account for the number of overnights each parent has, so a significant change in time-sharing can increase or decrease support. Courts frequently address support in the same proceeding as the parenting plan modification.
What happens if the other parent is not following the current parenting plan?
A parent can ask the court to enforce the existing order, which may include make-up time-sharing, attorney’s fees, or other remedies. A sustained pattern of noncompliance may also support a modification. A Tampa custody lawyer can help decide whether enforcement, modification, or both is the better approach.
How much does a parenting plan modification cost?
Cost depends on whether the case is agreed or contested, how much discovery is needed, and whether evaluations or a trial are involved. Agreed modifications are typically far less expensive than contested ones. Many parents find that early, focused legal advice reduces overall cost by avoiding unnecessary litigation.
Written by Damien McKinney, Founding Partner

Damien McKinney is the Founding Partner of The McKinney Law Group Family & Divorce Lawyers, bringing nearly two decades of experience to complex marital and family law matters. He is licensed in both Florida and North Carolina and has been repeatedly recognized as a Rising Star by Super Lawyers.