
Florida Mental Health & Addiction Law
Baker Act vs. Marchman Act in Florida: Key Differences
Understanding which involuntary commitment law applies to your situation—and what each one means for your family.
By Richard J. Casey III, Esq. · Published October 01, 2026
Baker Act vs. Marchman Act in Florida: Key Differences
Florida has two separate involuntary commitment statutes designed for different crises: the Baker Act (Florida Statutes Chapter 394) addresses mental health emergencies, while the Marchman Act (Florida Statutes Chapter 397) addresses substance abuse. Understanding which applies to your situation is the first step in knowing your options.
If you're weighing whether a Baker Act or Marchman Act petition is right for your family's situation, reach out to discuss your specific circumstances—families navigating these decisions contact us regularly. Talk it through with our team — the first consultation is free, confidential, and carries no obligation.

Understanding the Two Florida Involuntary Commitment Laws
Both statutes allow involuntary admission to a facility for evaluation and treatment, but they address different conditions and follow different legal processes. The Baker Act focuses on acute mental health crises; the Marchman Act focuses exclusively on addiction and substance abuse. Knowing which one applies helps you understand what to expect and what your rights are.
Purpose of the Baker Act
The Baker Act authorizes involuntary examination and admission for mental illness. It applies when a person is believed to have a mental illness and poses a danger to themselves, others, or is unable to care for themselves (such as obtaining food, clothing, or shelter). The focus is on acute mental health crises—not substance abuse alone.
Law enforcement, healthcare providers, judges, and certain other authorized persons can initiate a Baker Act. The examination typically occurs at a hospital or mental health facility.
Purpose of the Marchman Act
The Marchman Act authorizes involuntary assessment and treatment for substance abuse. It applies when a person is believed to be abusing alcohol or drugs and meets specific criteria related to their substance use. The focus is exclusively on addiction and substance abuse, not mental illness alone.
According to the National Institute on Drug Abuse (NIDA), addiction is a chronic brain disorder affecting reward, motivation, and memory systems. This clinical understanding underlies the legal criteria for involuntary commitment in substance abuse cases—the law recognizes that addiction can impair a person’s ability to make decisions about their own care.
Family members, healthcare providers, law enforcement, and other authorized persons can petition for a Marchman Act. The assessment is conducted at a treatment facility or medical facility.
Baker Act Criteria
A person can be taken into custody for involuntary examination under the Baker Act if they appear to have a mental illness and meet one of three conditions:
- They pose a substantial threat of harm to themselves or others.
- They are unable to care for themselves (food, clothing, shelter).
- They are in need of care or treatment and have no one willing and able to provide it.
The Baker Act can be initiated on an emergency basis without a court hearing first (called an ex parte action). Law enforcement or healthcare providers often initiate these holds when someone is in acute crisis.
Criteria for the Marchman Act
A person can be taken into custody for involuntary assessment under the Marchman Act if they are believed to be abusing alcohol or drugs and meet specific criteria:
- They have lost the power of self-control regarding substance use.
- They pose a threat of harm to themselves or others due to substance abuse.
- Their substance abuse is severe enough that they cannot meet their basic needs.
The Marchman Act process is generally more formal than the Baker Act. It typically requires a petition filed with the court and usually involves a hearing before involuntary admission occurs.
Not sure what your next step is?
Talk it through with our team — the first consultation is free, confidential, and carries no obligation.
Key Differences in Initiation and Legal Process
Baker Act: Can be initiated by law enforcement, healthcare providers, judges, or other authorized persons; often happens on an emergency basis without a court hearing first. A person can be taken into custody and brought to a facility for immediate evaluation.
Marchman Act: Typically initiated through a formal petition filed with the court, usually by a family member, healthcare provider, or other authorized person. A hearing generally occurs before involuntary admission, giving the person and their family a chance to be heard.
The Marchman Act process involves more court involvement earlier in the process, while the Baker Act prioritizes immediate safety and evaluation.
How Long Does a Marchman Act Last in Florida?
An initial Marchman Act involuntary assessment lasts up to 5 days. If the assessment concludes that treatment is needed and the person meets criteria, they can be held for up to 60 days for involuntary treatment. Extensions beyond 60 days are possible if the person consents to continued treatment or if additional legal proceedings occur.
How Long Does a Baker Act Last?
An initial Baker Act involuntary examination lasts up to 72 hours. If the person is found to meet criteria for involuntary admission after that examination, they can be held for up to 5 days. Further involuntary admission beyond 5 days requires additional legal proceedings and court involvement.
Who Pays for the Marchman Act in Florida?
The person undergoing assessment and treatment is typically responsible for costs. However, payment options vary by facility:
- Some facilities accept insurance (private, Medicaid, or Medicare).
- Others operate on a sliding scale based on income.
- Some facilities accept Medicaid if the person qualifies.
The petitioner (usually a family member) does not pay for the assessment or treatment itself, though they may incur legal costs if an attorney is retained to help file the petition or represent them in court.
Who Pays for the Baker Act?
The person undergoing examination and admission is typically responsible for costs. Hospital and mental health facility charges are usually covered by insurance, Medicaid, or Medicare if the person qualifies. Uninsured individuals may face facility bills or be offered payment plans.
If you're weighing whether a Baker Act or Marchman Act petition is right for your family's situation, reach out to discuss your specific circumstances—families navigating these decisions contact us regularly. Talk it through with our team — the first consultation is free, confidential, and carries no obligation.
Mental Health vs. Substance Abuse: Which Act Applies?
If the primary concern is mental illness (depression, bipolar disorder, schizophrenia, psychosis, or other psychiatric conditions), the Baker Act is the relevant statute.
If the primary concern is alcohol or drug abuse, the Marchman Act is the relevant statute.
If a person has both mental illness and substance abuse, the situation may involve both acts, though one typically takes precedence depending on the immediate danger and the presenting condition. An attorney can help determine which statute is most appropriate for your specific circumstances.
Can You Get Someone Out of a Baker Act or Marchman Act?
Yes. A person held under either act has the right to request a hearing to challenge the involuntary hold.
- Baker Act: The person can request a hearing within 72 hours of admission.
- Marchman Act: The person can request a hearing and has the right to legal representation.
An attorney can help navigate the hearing process and present arguments for release based on whether the legal criteria for continued hold are still met.
What Happens After Involuntary Admission?
Under the Baker Act: The person receives a psychiatric evaluation. Treatment recommendations are made based on the evaluation. The person may be discharged, admitted voluntarily, or held for further legal proceedings.
Under the Marchman Act: The person receives a substance abuse assessment. Treatment recommendations are made based on the assessment. The person may be discharged, admitted voluntarily, or held for involuntary treatment.
In both cases, the goal is stabilization and connection to appropriate ongoing care.

Frequently Asked Questions
Can law enforcement initiate a Marchman Act?
Yes. Law enforcement can petition for a Marchman Act if they have reason to believe someone is substance abuse impaired and meets the legal criteria.
What happens if someone refuses treatment after a Marchman Act or Baker Act?
If the person meets criteria for continued involuntary hold, they can be held for the statutory period even if they refuse treatment initially. However, they retain the right to request a hearing to challenge the hold.
Do I need an attorney to file a Marchman Act petition?
You can file a petition without an attorney, but an attorney can ensure the petition is complete, filed correctly, and help you present your case effectively at any hearing.
Can a Marchman Act be used for alcohol abuse only?
Yes. The Marchman Act applies to abuse of alcohol, drugs, or both.
If you’re weighing whether a Baker Act or Marchman Act petition is the right step for your family’s situation, or if you need guidance on the legal process and your options, Robinson & Casey can help you understand what’s involved. Families in South Florida and across the state facing these decisions reach out regularly. Contact us to discuss your specific circumstances.
The Core Difference
Baker Act (Mental Health)
Florida's Baker Act (Fla. Stat. § 394.463) permits involuntary examination and short-term hold for individuals experiencing a mental health crisis—such as acute psychiatric symptoms, suicidal ideation, or severe behavioral disturbance—when they pose a danger to themselves or others or lack capacity to care for themselves.
Marchman Act (Substance Abuse)
Florida's Marchman Act (Fla. Stat. § 397.675) is designed specifically for involuntary assessment, stabilization, and treatment of individuals with substance use disorders. It applies when someone is substance abuse impaired and meets criteria for involuntary intervention.
When Each Act Applies
Baker Act: Mental Health Crisis
Used for acute psychiatric emergencies, including severe depression, psychosis, suicidal threats, or violent behavior stemming from mental illness. Initiated by law enforcement, medical professionals, or designated individuals.
Marchman Act: Addiction & Substance Abuse
Used when someone is actively impaired by drugs or alcohol and meets legal criteria for involuntary assessment and treatment. Family members, law enforcement, healthcare providers, and others can petition.
Overlap & Complexity
Some situations involve both mental health and substance abuse. The correct act—or combination of actions—depends on the primary presenting crisis and the individual's circumstances.
Key Procedural Differences
Hold Duration
Baker Act holds typically last up to 72 hours for evaluation. Marchman Act initial assessment orders can extend longer and may lead to extended involuntary treatment if criteria are met.
Who Can Petition
Baker Act: law enforcement, physicians, mental health professionals, or designated crisis workers. Marchman Act: family members, friends, healthcare providers, law enforcement, and others with standing under the statute.
Treatment Focus
Baker Act emphasizes psychiatric evaluation and crisis stabilization. Marchman Act focuses on substance abuse assessment, detoxification, and recovery treatment planning.
Legal Standards
Each act has distinct criteria for involuntary intervention. Baker Act requires evidence of mental illness and danger or incapacity. Marchman Act requires evidence of substance abuse impairment and specific statutory grounds.
Choosing the Right Path Matters
Petitioning under the wrong act can delay help or result in dismissal. If you're unsure whether a Baker Act or Marchman Act is appropriate—or if both may apply—legal guidance can clarify your options and strengthen your petition.
Common Questions
Can law enforcement initiate a Marchman Act?
Yes. Law enforcement can petition for a Marchman Act if they have reason to believe someone is substance abuse impaired and meets the legal criteria.
What happens if someone refuses treatment after a Marchman Act or Baker Act?
If the person meets criteria for continued involuntary hold or treatment, they can be held for the statutory period. The specifics depend on which act applies and the clinical findings.
Can a family member file for either act?
Family members can typically petition for a Marchman Act. For a Baker Act, law enforcement or a healthcare provider usually initiates the process, though family members can request intervention.
Do I need an attorney to file?
While not always required, an attorney familiar with Florida's involuntary commitment laws can help ensure your petition is legally sound, complete, and filed correctly—increasing the likelihood it will be granted.
How Robinson & Casey Can Help
Petition Preparation & Filing
We prepare and file Marchman Act petitions, Baker Act-related guardianship matters, and emergency temporary guardianship petitions with precision and attention to statutory requirements.
Legal Representation in Court
We represent families and petitioners at hearings, presenting evidence and legal arguments to support involuntary assessment or treatment orders.
Guidance on Your Options
We help you understand whether a Marchman Act, Baker Act, guardianship, or combination of actions is the right path for your loved one's situation.
Rapid Response for Emergencies
When time is critical, we work quickly to file emergency temporary guardianship or other urgent petitions to protect your loved one.
