Florida Prenup Formalities Under § 61.079(3)

By Nadia Pazos, Family Law Attorney, Pazos Law Group · Updated August 2026  ·  ← All blog posts

Florida’s prenup statute is short on formalities and long on enforceability — but the details matter. Here is exactly what Fla. Stat. § 61.079(3) requires, what it does not require, and what careful practitioners add anyway.

What § 61.079(3) Actually Says

The full text of Fla. Stat. § 61.079(3) reads: “A premarital agreement must be in writing and signed by both parties. It is enforceable without consideration other than the marriage itself.” That is the entire provision. Two sentences. No mention of notarization, witnesses, attorneys, or any other formality.

This means three things as a matter of law:

• Writing requirement: An oral prenup is unenforceable in Florida, no matter how clear the terms. The agreement must be reduced to a written document. This aligns with the statute of frauds — contracts concerning marriage must be in writing.
• Signature requirement: Both prospective spouses must sign. An unsigned draft, even one exchanged by email and discussed at length, does not satisfy § 61.079(3).
• No additional consideration: The marriage itself is sufficient consideration. Unlike ordinary contracts, a prenup does not require each party to give up something beyond the mutual promise to marry.

“A premarital agreement must be in writing and signed by both parties. It is enforceable without consideration other than the marriage itself.” — Fla. Stat. § 61.079(3)

What the Statute Does Not Require

Attorneys and clients alike often assume a Florida prenup must be notarized, witnessed, or drafted by separate lawyers. The statute says otherwise:

• Notarization: Not required by § 61.079(3). Florida does not condition enforceability on notarization. However, a notarized signature makes it far harder for a party to later deny they signed — which is why notarization is standard practice.
• Witnesses: Not required. Unlike a Florida will (which requires two witnesses under Fla. Stat. § 732.502), a prenup has no witness requirement. Again, witnesses are routinely included to establish the circumstances of signing.
• Independent counsel for each party: Not required. § 61.079 does not mention attorney representation at all. But the absence of independent counsel can become relevant if the agreement is later challenged under § 61.079(7)(a) — a party who signed without a lawyer has a stronger argument that execution was not fully voluntary or that they did not understand the waiver of rights.
• Financial disclosure attached to the agreement: Not a formality requirement under subsection (3). Disclosure is instead part of the enforceability analysis under § 61.079(7)(a)3. — a separate question that arises only if the agreement is challenged.

Best Practices Beyond the Statutory Minimum

Meeting the bare minimum of § 61.079(3) is necessary but rarely sufficient for a prenup that will withstand scrutiny years later. Florida family law practitioners routinely add the following:

1. Notarization of both signatures. Eliminates disputes about whether a party actually signed.
2. Independent counsel for each party. The strongest single safeguard against a voluntariness challenge under § 61.079(7)(a)1.
3. Signed financial disclosure schedules. Attached as exhibits and cross-referenced in the agreement. Even though disclosure is not a formality under subsection (3), it is the first thing a court examines under § 61.079(7)(a)3. if enforceability is challenged.
4. Adequate timing before the wedding. No statutory minimum exists, but signing weeks or months before the ceremony undermines a coercion claim under § 61.079(7)(a)2.
5. Acknowledgment clauses. Each party acknowledges they read the agreement, had time to consult an attorney, and signed voluntarily. These are not statutory requirements but create a contemporaneous record.

Can a Florida Prenup Be Signed Electronically?

Florida’s Uniform Electronic Transaction Act (Fla. Stat. § 668.50) generally validates electronic signatures for transactions. However, § 668.50(3) carves out certain categories, and Florida courts have not squarely addressed whether a premarital agreement signed via DocuSign or similar platforms satisfies § 61.079(3). The cautious approach — and the one every Florida family law practitioner we are aware of follows — is wet-ink signatures on a physical document, notarized in person.

When Does the Agreement Take Effect?

Fla. Stat. § 61.079(5) provides that a premarital agreement becomes effective upon marriage. If the couple never marries, the agreement has no legal force. This is true even if both parties signed, notarized, and fully performed — the marriage is the triggering event.

After marriage, the agreement can be amended or revoked only by a written agreement signed by both parties (§ 61.079(6)). An oral agreement to disregard the prenup is not enforceable.

How Do Postnuptial Agreement Formalities Differ?

A postnuptial agreement (signed after marriage) is governed by different authority. Florida courts generally apply the standards in Fla. Stat. §§ 732.701–732.702 and common-law contract principles. Postnups face a higher standard of scrutiny because the parties are already in a fiduciary relationship. The formalities of § 61.079(3) apply only to premarital agreements — those signed before the marriage takes place.

Frequently Asked Questions

Related Reading

• Is a Prenuptial Agreement Enforceable in Florida?
• Florida Prenup Document Checklist
• Do Both Parties Need a Lawyer for a Prenup in Florida?
• Florida Prenuptial Agreement Attorney — Practice Area
• Fla. Stat. § 61.079 — Florida’s Prenup Statute, Explained

This article is general legal information about Florida law and is not legal advice. Whether a prenuptial or postnuptial agreement is enforceable depends on the specific facts, the parties' disclosures, and the circumstances of signing. Reading this content does not create an attorney-client relationship with Pazos Law Group. Florida law changes over time; please consult a licensed Florida attorney about your situation.