In short: “Irrevocable” doesn’t always mean frozen in Florida. After the settlor’s death, the trustee and all qualified beneficiaries can sometimes modify a trust by unanimous agreement (§ 736.0412); a court can modify it for unanticipated circumstances or a purpose that no longer exists (§ 736.04113); a trustee with absolute discretion over principal can decant into a new trust (§ 736.04117); and a court can reform a trust to fix a proven mistake (§ 736.0415). A beneficiary can also refuse an inheritance with a qualified disclaimer (Chapter 739).
People are told an irrevocable trust can never be changed. Florida law is more flexible than that, but every path has rules, and some require a court.
1. Nonjudicial Modification After the Settlor’s Death (§ 736.0412)
After the settlor dies, a trust may be modified “upon the unanimous agreement of the trustee and all qualified beneficiaries.” It doesn’t apply to trusts created before January 1, 2001, to certain trusts subject to the rule against perpetuities unless the trust allows it, or to charitable trusts.
2. Court Modification (§ 736.04113)
A trustee or qualified beneficiary can ask the court to modify or terminate a trust if its purposes have been fulfilled or have become “illegal, impossible, wasteful, or impracticable,” if unanticipated circumstances would defeat a material purpose, or if a material purpose no longer exists. A spendthrift clause is a factor, not a bar.
3. Decanting (§ 736.04117)
An “authorized trustee” with absolute power to invade principal can pour the assets into a second trust with different terms. A standard like “best interests, welfare, comfort, or happiness” counts as absolute power. The statute was amended in 2025. One oral argument below asks whether a trustee could decant into a special needs trust.
4. Reformation for Mistake (§ 736.0415)
A court can reform even an unambiguous trust “if it is proved by clear and convincing evidence” that a mistake of fact or law affected both the settlor’s intent and the terms. Another argument below involves a reformation fight over grantor intent.
5. Disclaimers: Refusing to Take
Matt fields this one more than you’d expect: can I refuse an inheritance? Yes. Under Chapter 739, a disclaimer must be in writing, declare that it is a disclaimer, be signed, witnessed and acknowledged like a deed, and be delivered or filed. Reasons include tax planning, letting property pass to the next generation, or debt problems. For federal tax purposes, a qualified disclaimer generally must be made within 9 months (IRC § 2518). Disclaimers have limits, including situations involving the disclaimant’s own creditors and public benefits, so get advice first.
Pet Trusts
Florida lets you create a trust “for the care of an animal alive during the settlor’s lifetime” (§ 736.0408). Name a caretaker, fund it realistically, and name someone to enforce it.
The Lesson for Planners
Matt is skeptical of trusts sold to people who don’t need them. See why I hate revocable trusts. If you’re signing an irrevocable trust, understand that changing it later will usually take everyone’s agreement or a judge.
Watch: the videos behind this article
Refusing Inheritance in Florida: What Is a Disclaimer?
Can You Leave Money for a Pet in Florida? What Is a Pet Trust?
More Short Videos on This Issue
Watch the Real Appellate Arguments
These are recordings of actual Florida appellate oral arguments, posted on the channel. Watch how the judges question both sides. Read the written opinion before relying on any outcome: an argument is not a ruling.
A Trust Built to Protect Her From Herself: Can an Irrevocable Trust Be Modified Anyway?
Florida Trust Law: Can a Trustee Decant Assets Into a Special Needs Trust? | Trust Litigation Appeal
Florida Trust Reformation Appeal: Grantor Intent vs 2021 Trust | Case No. 24-1447
Florida Trust Amendment Dispute | Can a Trust Be Changed? (3rd DCA Oral Argument)
Go Deeper
- Do You Need a Trust in Florida?
- When a Revocable Trust Fails in Florida
- Florida Trustee Duties & Beneficiary Rights
- Why I Hate Revocable Trusts
Frequently Asked Questions
Can an irrevocable trust be modified in Florida?
Yes, in several ways: unanimous nonjudicial agreement of the trustee and qualified beneficiaries after the settlor’s death (§ 736.0412, with exceptions), court modification (§ 736.04113), decanting by an authorized trustee (§ 736.04117), and reformation to correct a mistake (§ 736.0415).
What is decanting a trust in Florida?
Moving assets from one trust to a new trust with different terms. Under § 736.04117, an authorized trustee with absolute power to invade principal, such as a standard of “best interests, welfare, comfort, or happiness,” can decant. The statute was amended in 2025.
How do you refuse an inheritance in Florida?
With a disclaimer under Chapter 739: in writing, declaring the disclaimer, signed, witnessed and acknowledged like a deed, and delivered or filed. For federal tax purposes, a qualified disclaimer generally must be made within 9 months (IRC § 2518).
Can you leave money to a pet in Florida?
Yes. Section 736.0408 allows a trust for the care of an animal alive during the settlor’s lifetime. It ends when the last covered animal dies.
Talk to a Florida probate litigator
Weidner Law, P.A. handles Florida probate, trust, guardianship, and will disputes from St. Petersburg. If you need a probate litigation lawyer in St. Petersburg or anywhere in Florida, call (727) 954-8752 or email weidner@mattweidnerlaw.com.
Read the law yourself, free: the full Florida Probate Code and Probate Rules and the Florida Trust Code are on floridarules.net.
This article is general information about Florida law, not legal advice about your situation. Reading it, watching the videos, or contacting the firm does not create an attorney-client relationship. Every case turns on its own facts, and past results do not guarantee a similar outcome. The hiring of a lawyer is an important decision that should not be based solely upon advertisements.
