
Marchman Act & Florida Guardianship
Involuntary Commitment in Florida: What the Definition Means and How the Process Works
A plain-language guide from Robinson Casey, a law firm that focuses exclusively on Marchman Act petitions and guardianship matters.
By Richard J. Casey III, Esq. · Published October 17, 2026
What Is the Definition of Involuntary Commitment?
Involuntary commitment is a legal process in which a court orders a person into a mental health or addiction treatment facility against their will, based on evidence that the person poses danger to themselves or others, or is gravely disabled. It is a civil action—not a criminal punishment—designed to protect someone whose condition has become unsafe and who won’t seek help voluntarily.
Under Fla. Stat. § 397.681, the courts have jurisdiction of involuntary treatment petitions for substance abuse impaired persons; other requirements may also apply. Both require a court hearing, legal evidence, and the person’s right to an attorney and to contest the order.

Definition of Involuntary Commitment
Involuntary commitment is a court-ordered admission to a treatment facility when a person cannot or will not seek care on their own. The key word is “court-ordered”—a judge, not a family member or doctor alone, makes the final decision after reviewing evidence and hearing from both sides.
The purpose is protective, not punitive. The law recognizes that some people with severe mental illness or addiction lose the ability to recognize danger or make safe choices. When that happens, the state can step in through the courts to mandate treatment.
How Involuntary Commitment Differs from Emergency Holds
Many people confuse involuntary commitment with an emergency hold, but they are different legal tools.
A person may receive evaluation and may voluntarily agree to stay for treatment.
Involuntary civil commitment is longer-term and requires a court order after a hearing. It typically lasts weeks, months, or longer, depending on the court’s order and the person’s progress. Not all emergency holds lead to commitment; many people are released or voluntarily admitted after the hold expires.
Think of it this way: an emergency hold is the immediate safety net. Involuntary commitment is the legal decision to keep someone in treatment when the crisis doesn’t resolve.
Who Can Be Involuntarily Committed in Florida
The points below describe general mental-health concepts, not the criteria for involuntary addiction treatment under Florida’s Marchman Act. Those criteria appear in Fla. Stat. § 397.675, other requirements may also apply, and the court decides based on the evidence and the circumstances of each case. Other requirements may also apply, and the court decides based on the evidence.
- They pose a substantial likelihood of causing serious bodily harm to themselves or others
- They are unable to care for themselves (called “grave disability”)
- They are likely to suffer severe deterioration without treatment
For substance abuse specifically, the Marchman Act addresses involuntary admission under Fla. Stat. § 397.675, which sets out criteria the court applies. Other requirements may also apply, and the court decides based on the evidence and its discretion.
The person’s condition must be documented. The Marchman Act, Chapter 397, Florida Statutes, identifies who may file a petition with the court. Other requirements may apply, and the court decides.
Evidence in Florida Commitment Cases
The petitioner typically presents:
- Medical records and psychiatric evaluations
- Testimony from family members or witnesses
- Opinions from physicians or mental health professionals
- Documentation of specific incidents showing danger or disability
The person being committed has the right to be represented by an attorney (appointed by the court if they cannot afford one) and to contest the evidence at a hearing.
The Involuntary Commitment Process in Florida
The process unfolds in stages:
1. Filing the petition. An authorized person files a verified petition with the court, describing the person’s condition and why commitment is necessary.
2. Emergency order. The court may issue an ex parte order (without the person present) for immediate involuntary placement if there is probable cause that danger or grave disability exists.
3. Both sides present evidence. The person has the right to an attorney and to cross-examine witnesses.
4. Court decision. If the court finds that the evidence meets the standard set by the governing statute, it may order involuntary commitment for a period set under that statute, subject to the court’s discretion and the circumstances of each case.
5. Ongoing review. The person has the right to periodic review and appeal. Treatment providers must document progress and may seek to modify or terminate the commitment if the person improves.
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Involuntary Commitment for Addiction
Florida’s Marchman Act is the primary statute governing involuntary commitment for substance abuse. The court decides whether to grant a petition based on the evidence and its discretion.
The Marchman Act, in Florida Statutes § 397.675, lists criteria that the court considers when deciding a petition. Other requirements may also apply, and the court decides based on the evidence and its discretion.
Involuntary Commitment for Mental Health
Where commitment is ordered, the goal is treatment in a mental health facility, and periodic review may lead the court to decide whether the person can be safely discharged or whether commitment should continue.
Frequently Asked Questions
Can a person refuse involuntary commitment?
However, they have the right to contest it at a hearing and to appeal the court’s decision.
How long does involuntary commitment last?
It depends on the type and the person’s progress. Marchman Act commitments vary. All are subject to periodic review and may be terminated if the person improves or the criteria no longer apply.
Is involuntary commitment the same as guardianship?
No. Involuntary commitment is a court order for treatment in a facility. Guardianship is a broader legal arrangement where a court appoints someone to make decisions (medical, financial, personal) on behalf of an incapacitated person. They can exist separately or together.
What if I’m not sure whether my loved one qualifies?
The legal standards are specific. If you’re unsure, speaking with an attorney who handles these matters can clarify whether your situation meets the criteria for involuntary commitment or whether another legal tool—like guardianship or an emergency court monitor—might be more appropriate.

When Your Family Faces This Decision
If you’re considering involuntary commitment for a loved one struggling with addiction or a mental health crisis, you’re likely in a difficult and uncertain moment. You may be wondering whether your situation qualifies, what the process looks like, or whether there are other options available.
Robinson & Casey focuses on Marchman Act petitions and guardianship matters. Whether the path forward involves involuntary commitment under the Marchman Act, emergency temporary guardianship, or another legal remedy, our role is to guide your family through the process and protect your loved one’s interests.
If you’d like to discuss your situation and explore what options may be available, contact us to schedule a consultation or call (561) 849-4149. You don’t have to navigate this alone.
How Robinson Casey Can Help
Focused Practice
Robinson Casey focuses exclusively on Marchman Act petitions and guardianship matters, including involuntary commitment for addiction.
Confidential First Consultation
The initial consultation is free, confidential, and carries no obligation to continue.
Common Florida Paths Involving Court Involvement
Guardianship Matters
The scope of any appointment is determined by the court.
Emergency Temporary Guardianship
Whether it is granted, and for how long, depends on the court's discretion and the facts presented.
Full, Limited, and Mental Health Guardianship
Depending on the circumstances, a petition may seek plenary (full) guardianship, limited guardianship, or a guardianship related to mental health. Other requirements may apply, and the court makes the final determination.
Important: Court Decides
Involuntary commitment and guardianship outcomes are decided by the court. Timing, placement, and orders depend on the court's schedule, its discretion, and the circumstances of each case. No attorney can promise a particular result. Other statutory requirements may also apply.
