Prenuptial Agreement Disclosure Requirements in California

Under Family Code section 1615(a)(2), a California prenup can be unenforceable if it was unconscionable when it was executed and, before signing, one person was not provided a fair, reasonable and full disclosure of the other's property or financial obligations, did not voluntarily and expressly waive further disclosure in writing, and did not have, or reasonably could not have had, adequate knowledge of those finances. All of those conditions must apply.

This article covers the legal side of the question: whether a prenup will hold up under California law when disclosure is the issue.

What follows explains what California's premarital agreement law says about disclosure, what it covers, when it has to happen, how a waiver works, and how disclosure fits next to the seven-day rule, independent counsel, and the limits on what a prenup can address.

What Financial Disclosure Means Under California's Premarital Agreement Act

California governs prenuptial agreements through the Uniform Premarital Agreement Act, Family Code sections 1600 through 1617. Section 1610 defines a premarital agreement as "an agreement between prospective spouses made in contemplation of marriage and to be effective upon marriage." Section 1611 requires it to be "in writing and signed by both parties," and section 1613 says it "becomes effective upon marriage." For couples in Carlsbad, these state statutes are the rules that govern.

The rules on whether a prenup holds up are in Family Code section 1615. It gives the person challenging the agreement two routes. They can prove they did not sign voluntarily. Or they can prove the agreement was unconscionable when signed and that, before signing, all three of these were true:

"(A) That party was not provided a fair, reasonable, and full disclosure of the property or financial obligations of the other party. (B) That party did not voluntarily and expressly waive, in writing, any right to disclosure of the property or financial obligations of the other party beyond the disclosure provided. (C) That party did not have, or reasonably could not have had, an adequate knowledge of the property or financial obligations of the other party."

The rest of this article refers to these as the three disclosure conditions: no full disclosure, no written waiver, and no adequate knowledge from another source.

In plain terms, a "fair, reasonable, and full disclosure" means each future spouse gives the other an honest, reasonably complete picture of what they own, what they owe, and what financial obligations they carry, before the signing. The statute does not define the phrase or set out a checklist.

It helps to think of disclosure as its own question, separate from the others. An agreement can be properly written and signed under section 1611 and still be challenged on disclosure. Voluntary signing, which includes the seven-day rule and the independent counsel provisions, is a separate route under section 1615 with its own tests. Each one asks something different about the same document, and keeping them apart makes the rest of the law much easier to follow.

Section 1612(a)(1) lets the parties contract about property "whenever and wherever acquired or located." So a Carlsbad couple's agreement can reach a rental property out of state, an account held elsewhere, or an interest in a family business in another country.

What a Disclosure Can Cover

Section 1615(a)(2)(A) uses two broad categories: "property" and "financial obligations." Section 1610(b) defines property widely: "an interest, present or future, legal or equitable, vested or contingent, in real or personal property, including income and earnings." That definition reaches real and personal property, present or future interests, and income and earnings, so a reasonably complete disclosure is not limited to a house and a checking account. The examples below show what the categories can include:

• Real property, such as a home, a condo, or a rental, and the loans secured by it
• Bank and investment accounts, including brokerage accounts and stock awards
• Business interests, such as ownership in a company, a professional practice, or a partnership
• Retirement accounts and pensions
• Intellectual property and royalties
• Future or contingent interests, which the definition of property covers
• Debts and liabilities, including mortgages, student loans, and credit card balances
• Income and ongoing obligations, such as earnings and existing support owed to a former spouse or a child

Section 1615 does not mention appraisals. Section 1615(a)(2)(A) refers to a "fair, reasonable, and full disclosure." A disclosure that lists a business but leaves out that it carries large debt, or names an account but uses a value from years ago, may not fit that description. The firm's divorce financial documents checklist gives a sense of the kinds of records that tend to support a full financial picture.

Section 1615(a)(2)(B) also lets a person "voluntarily and expressly waive, in writing, any right to disclosure... beyond the disclosure provided." The wording is worth reading closely. The waiver covers disclosure beyond what was given. It records that the waiving party chose, in writing, not to ask for more. It also has to be voluntary and express. Staying silent, or never asking, is not a written waiver.

One more distinction. Family Code section 2104 requires a preliminary declaration of disclosure in a divorce or legal separation. That is a sworn form, signed under penalty of perjury, and generally served with the petition or response, or within 60 days of filing it (section 2104(f)). It belongs to a different stage. Prenup disclosure happens before the wedding, as a condition of the agreement holding up. Section 2104 disclosure belongs to a later dissolution or legal separation case, and section 2104(a) does not list a premarital agreement among its exceptions.

Timing: When Disclosure Must Happen

Section 1615 frames disclosure as something that happened "before execution of the agreement." Information shared after the signature does not meet that test.

The seven-day rule is found in section 1615(c). The statute does not start from an assumption that signing was voluntary. Instead, an agreement is "deemed" not voluntarily signed unless the court finds, in writing or on the record, a list of conditions. For agreements signed on or after January 1, 2020, one condition is that the party "had not less than seven calendar days between the time that party was first presented with the final agreement and the time the agreement was signed, regardless of whether the party is represented by legal counsel." (For agreements signed between January 1, 2002 and January 1, 2020, a similar seven-day rule applied, measured from the time the party was first presented with the final agreement and advised to seek independent counsel.) The statute says this requirement does not apply to nonsubstantive amendments that do not change the terms of the agreement. Section 1615(c)(1) also requires the advice to seek independent counsel to be given at least seven calendar days before the final agreement is signed.

Seven days is a floor, not a safe harbor. The same subdivision lets the court weigh "any other factors the court deems relevant," and requires findings that the agreement was not signed under "duress, fraud, or undue influence" and that neither party lacked capacity. Counting seven days, on its own, does not settle the question.

Voluntariness under section 1615(c)(1) also depends on counsel. The party must have been represented by independent counsel at signing, or, after being advised to seek counsel, have "expressly waived, in a separate writing, representation by independent legal counsel." That requirement is covered below. For a broader view of the agreement itself, see the firm's overview of prenuptial agreements in California.

What Happens When Disclosure Is Incomplete or Waived

Section 1615(a) is direct about the consequence: if the challenging party proves either route, "a premarital agreement is not enforceable." The statute speaks of the agreement as a whole, not a single clause tied to the undisclosed asset.

The disclosure route is demanding, because every piece has to be there. An unfair agreement alone is not enough. Thin disclosure alone is not enough either. Under section 1615(a)(2), the challenging party has to show that the agreement was unconscionable when signed and that all three disclosure conditions applied. Section 1615(b) adds that unconscionability "shall be decided by the court as a matter of law," which means the court decides that question.

That structure is why a valid written waiver matters so much. A waiver that is voluntary, express, and in writing removes the second disclosure condition, and the disclosure route then fails on its own terms. It also does nothing to the separate voluntariness route under section 1615(a)(1), which has its own requirements.

Section 1500 says the property rights of spouses prescribed by statute "may be altered by a premarital agreement or other marital property agreement." If a premarital agreement is not enforceable, it does not alter those rights. Under Family Code section 2552, the court values the community estate as near as practicable to the time of trial, and for good cause shown may value assets and liabilities at a date after separation and before trial. The firm's guide to high-asset divorce in Carlsbad covers property in a divorce more broadly.

Independent Legal Counsel and Its Role in Disclosure

Section 1615(c)(1) ties counsel to voluntariness. The court must find that the party "was represented by independent legal counsel at the time of signing the agreement or, after being advised to seek independent legal counsel, expressly waived, in a separate writing, representation by independent legal counsel." The advice to seek counsel must come at least seven calendar days before the final agreement is signed.

Section 1615(c)(1) refers to "independent legal counsel" without defining the phrase.

A person can choose not to have a lawyer, but the statute treats that choice as a formal step. The waiver of counsel must be express and in a separate writing. Section 1615(c)(3) adds requirements for an unrepresented party. That person must be fully informed of the terms and basic effect of the agreement and the rights being given up. They must be proficient in the language of the explanation and the agreement. The explanation must be put in writing and delivered before signing. And the unrepresented party must sign a document confirming they received it and stating who provided it.

If a prenup signed by a Carlsbad couple is later challenged in a divorce, the dispute is generally heard at the Superior Court of California, County of San Diego, North County Regional Center, 325 South Melrose Drive, Vista, CA 92081. The court describes that courthouse's venue as most of northern San Diego County. The judge there applies the same state statutes described in this article.

Provisions a Prenup Can and Cannot Address in California

Section 1612(a) lists what future spouses may contract about:

• The rights and obligations of each in property of either or both, "whenever and wherever acquired or located"
• The right to buy, sell, use, transfer, exchange, abandon, lease, consume, spend, assign, create a security interest in, mortgage, encumber, dispose of, or otherwise manage and control property
• The disposition of property upon separation, dissolution, death, or any other event
• A will, trust, or other arrangement to carry out the agreement
• Ownership of and disposition of a life insurance death benefit
• The choice of law governing how the agreement is read
• "Any other matter, including their personal rights and obligations, not in violation of public policy or a statute imposing a criminal penalty"

In everyday terms, that range covers the rights each person has in property, how property is managed during the marriage, and what happens to specific holdings, such as a business or a home owned before marriage, if the marriage ends. The catch-all has a limit: a term that violates public policy or a criminal statute falls outside what section 1612(a)(7) allows.

Two limits are stated outright. Under section 1612(b), "the right of a child to support may not be adversely affected by a premarital agreement." Under section 1612(c), a spousal support provision, "including, but not limited to, a waiver of it," is not enforceable if the party it is enforced against was not represented by independent counsel when it was signed, or if the provision "is unconscionable at the time of enforcement." The statute adds that having counsel does not, by itself, save a provision that is otherwise unenforceable.

That creates an extra layer on top of section 1615. A person can waive counsel in a separate writing and still satisfy the counsel part of the voluntariness test in section 1615(c)(1). But a spousal support provision is not enforceable against a party who was not represented by independent counsel when it was signed (section 1612(c)). A support provision is also not enforceable if it is unconscionable at the time of enforcement, not only at signing.

Common Reasons California Prenups Are Challenged

Section 1615 sets out when a premarital agreement is not enforceable. It gives two grounds, and the party against whom enforcement is sought must prove one of them.

Involuntary execution. Under section 1615(a)(1), the agreement is unenforceable if it was not signed voluntarily. Section 1615(c) fills in what that means: unless the court finds all the listed conditions, the agreement is deemed involuntary. Those conditions are counsel or a written waiver of counsel, the seven-day period, the written explanation for an unrepresented party, no duress, fraud or undue influence, capacity, and any other factor the court finds relevant. Duress, fraud or undue influence, and a review period shorter than seven days, are both addressed in section 1615(c). The seven-day rule is one measure of voluntariness, not the only one.

Unconscionability combined with inadequate disclosure. Under section 1615(a)(2), the challenging party must show the agreement was unconscionable when signed, and that the three disclosure conditions described earlier all applied. The test looks at the agreement "when it was executed," not at how life turned out years later. Spousal support terms are the exception, because section 1612(c) also looks at the time of enforcement.

The duties spouses owe each other after the wedding are a related but separate topic. Section 721 holds spouses to "the highest good faith and fair dealing" in transactions with each other.

If You'd Like to Talk Through Your Prenup Before Signing

Disclosure questions tend to be specific, such as how a business interest is described, how a trust interest is described, whether a waiver of further disclosure is in writing, or how much time there is before signing. A consultation is a place to raise those questions. The firm practises California family law only.

To talk with the firm about financial disclosure in a prenup, call Carlsbad Family Law Advocates at (760) 840-5102 for a confidential consultation.