Florida Supported Decision-Making Agreement Requirements: Witnesses, Notarization, and Legal Limits

The 2024 Law That Changed the Default

Before July 1, 2024, Supported Decision-Making in Florida was an informal arrangement. Families could help their adult children with decisions, but hospitals, banks, and schools had no legal obligation to recognize the arrangement. House Bill 73 changed that by creating F.S. § 709.2209, which gives SDM agreements statutory teeth.

The law does something even more consequential: it requires Florida circuit courts to address whether Supported Decision-Making can meet an individual's needs before ordering guardianship or guardian advocacy. Courts must now treat formal guardianship as a last resort, not a default.

Execution Requirements

An SDM agreement under Florida law must meet specific formalities, or it's legally void. These aren't suggestions:

In writing. Verbal agreements don't count. The document must be a written agreement.

Signed by the principal. The adult with disabilities signs the agreement. They must understand the general nature of the support relationship — not necessarily every legal nuance, but the basic concept that they're authorizing someone to help them gather information and communicate decisions.

Notarized. The principal's signature must be notarized by a Florida notary public.

Two independent witnesses. Both witnesses must be physically present when the principal signs. Neither witness can be the principal or a person named as a supporter in the agreement. They must be disinterested adult parties.

No durability clause. Unlike a Durable Power of Attorney, an SDM agreement cannot include language making it survive the principal's incapacity. Any clause asserting "durability" is legally void. If the arrangement no longer sufficiently meets the principal's needs, guardian advocacy or guardianship is the court-based alternative to consider.

What the Agreement Actually Authorizes

This is where the biggest misunderstanding lives. An SDM agreement does not give the supporter authority to make decisions or sign documents on behalf of the principal. Under F.S. § 709.2209, the supporter can only:

• Receive information on behalf of the principal (medical records, educational records, financial statements)
• Help the principal understand that information
• Communicate the principal's decisions to third parties

The decision-making and signing authority remain solely with the young adult. If a bank requires a signature on a loan document, the supporter can explain the terms and help the principal communicate their choice — but the principal signs. If a doctor recommends a procedure, the supporter can help explain the diagnosis and options — but the principal consents.

Third parties (hospitals, schools, banks) are legally obligated to recognize the supporter's role in facilitating communication. But they are not required to accept the supporter's instructions as if the supporter held a Power of Attorney. This distinction matters enormously: families who treat an SDM agreement as a lightweight guardianship will run into walls.

Who Is This For?

SDM works when the adult child can participate meaningfully in decisions with structured support. The individual doesn't need to understand complex financial instruments or medical terminology independently — they need to be able to engage with the information when someone helps explain it, and to express a preference.

For adults with mild-to-moderate intellectual disabilities, high-functioning autism, or Down syndrome who can communicate preferences and understand basic concepts with support, an SDM agreement often provides everything the family needs without court involvement, ongoing reporting requirements, or the removal of any civil rights.

For adults with more significant cognitive limitations who cannot meaningfully participate even with support, the SDM route won't work — and the 2024 law accounts for this by requiring courts to confirm that SDM was considered and found insufficient before granting guardian advocacy or guardianship.

Combining SDM with Other Tools

An SDM agreement pairs naturally with other non-court alternatives:

• HIPAA Release Form + Designation of Healthcare Surrogate under F.S. Chapter 765 covers medical decisions and record access
• FERPA waiver maintains parental access to educational records after 18
• Durable Power of Attorney under F.S. Chapter 709, Part II handles financial transactions if the individual has capacity to execute it

Together, this package can address many of the same needs without a court filing, background check, court-appointed attorney, or annual reporting obligations. Notary, provider, and any professional drafting fees are separate costs.

The Florida Adult Guardianship & Alternatives Guide includes the complete SDM decision framework, the execution checklist, and guidance on when the agreement is — and isn't — enough for your family's situation.

See more Florida guides →