Texas Postnuptial Agreement Template: Contents, Signing, and Limits

A Texas postnuptial agreement template is a fill-in form for what the Family Code calls a partition or exchange agreement: a written contract in which spouses reclassify community property as the separate property of one spouse. The template handles the layout, but the agreement is only enforceable if you meet the statutory requirements in Chapter 4 of the Texas Family Code, provide full financial disclosure, and describe the affected assets precisely enough that no one can argue about what was transferred years later. Pick the form second. Understand what the form has to do first.

What a Texas Postnuptial Template Is Actually Doing

Texas Family Code Section 4.102 lets spouses partition any or all of their community property, whether already owned or acquired later, into one spouse’s separate property.1State of Texas. Texas Family Code Section 4.102 – Partition or Exchange of Community Property The template is the vehicle for that reclassification. It should also let you address income: Section 4.102 allows the agreement to provide that future income from partitioned property stays separate, and Section 4.103 lets spouses agree that income from one spouse’s existing separate property will also remain that spouse’s separate property.2State of Texas. Texas Family Code Section 4.103 – Agreement Between Spouses Concerning Income or Property From Separate Property That income language matters because Texas, unlike most other community property states, otherwise treats income from separate property as community income.3Internal Revenue Service. Publication 555 – Community Property

Everything that follows is about making that reclassification stick.

What the Template Must Contain to Be Valid

Section 4.104 sets the formal rules: the agreement must be in writing and signed by both spouses. No consideration is required, so an uneven split alone will not void the agreement.4State of Texas. Texas Family Code Section 4.104 – Formalities Notarization is not required for the agreement to bind the two of you, but it is required if you want to record the document in the county deed records so creditors and future buyers have constructive notice.5State of Texas. Texas Family Code Section 4.106 – Rights of Creditors and Recordation Under Partition or Exchange Agreement

Signing formalities are only half the battle. Section 4.105 governs enforceability, and it is the section that defeats most challenged agreements. A court will refuse to enforce the agreement if the spouse resisting it proves either that they did not sign voluntarily, or that the agreement was unconscionable when signed and they were not given a fair and reasonable disclosure of the other spouse’s property and debts, did not voluntarily and expressly waive disclosure in writing, and did not have, or could not reasonably have had, adequate knowledge of the other spouse’s finances.6State of Texas. Texas Family Code Section 4.105 – Enforcement

Translated into template terms, the document needs three things beyond the partition clauses themselves:

  • Signature blocks for both spouses, with space for a notary acknowledgment.
  • A financial disclosure schedule, usually attached as an exhibit, listing each spouse’s assets and debts.
  • A recital that both spouses are signing voluntarily, after reviewing disclosures, with the opportunity to consult independent counsel.

If the template you are considering lacks any of these, add them before signing.

What the Agreement Can and Cannot Cover

The template can reclassify community property as separate, assign future income from partitioned assets, and address income from pre-existing separate property. It can address spousal maintenance terms.

It cannot waive or cap child support, because that obligation belongs to the child, not the parents. It cannot lock in a child custody arrangement, because custody is decided by a court based on the child’s best interest at the time of the proceeding. A template with blanks for child support waivers or custody terms is a signal that the form itself is unreliable.

Information to Gather Before You Open the Template

The disclosure exhibit is where most DIY agreements fail later. Treat the inventory and the disclosure as the same task, done once, thoroughly. Pull together:

  • Real estate: legal descriptions from deeds or tax records for every parcel, not just street addresses.
  • Financial accounts: institution name, account type, and approximate balance for each bank, brokerage, and CD.
  • Retirement assets: plan type (401(k), IRA, pension), administrator, and current value.
  • Business interests: entity name, state of formation, ownership percentage, and approximate valuation.
  • Debts: creditor, account number, balance, and whether the debt is secured or unsecured, including mortgages, student loans, and significant credit card balances.

Attach the result as a dated exhibit signed by both spouses. That single document populates the asset schedules the template asks for and satisfies the Section 4.105 disclosure obligation at the same time.6State of Texas. Texas Family Code Section 4.105 – Enforcement

Writing the Asset Schedules

Vague descriptions are what judges and opposing lawyers exploit years after signing. The schedule for each asset being partitioned should identify it specifically enough that no reasonable person could mistake what was transferred.

For a vehicle, use year, make, model, and VIN. For a business interest, use the entity’s legal name, jurisdiction of formation, and the percentage being transferred. For a bank account, use the institution name, account type, and the last four digits of the account number. For real estate, copy the full legal description from the deed, not “the house on Elm Street.”

Do the same for income. If you partition a rental property to one spouse, include a clause stating that all rent, appreciation, and sale proceeds are also that spouse’s separate property. Without that language, income from the property reverts to community property under the Texas default rule.3Internal Revenue Service. Publication 555 – Community Property1State of Texas. Texas Family Code Section 4.102 – Partition or Exchange of Community Property2State of Texas. Texas Family Code Section 4.103 – Agreement Between Spouses Concerning Income or Property From Separate Property Some templates include a checkbox for this; many do not. If yours does not, add the language manually.

Signing, Notarizing, and Recording

Both spouses sign the completed document. Notarization is not technically required between the two of you,4State of Texas. Texas Family Code Section 4.104 – Formalities but notarize anyway. A notary acknowledgment creates evidence that both spouses appeared and signed voluntarily, which directly answers the voluntariness challenge available under Section 4.105. If real property is involved, notarization is required for recording.5State of Texas. Texas Family Code Section 4.106 – Rights of Creditors and Recordation Under Partition or Exchange Agreement

Each spouse should keep an original. If you ever need to prove the agreement in a divorce or probate matter, having your own original removes any dependence on the other party.

Recording is optional but strongly advised when real estate is involved. An unrecorded instrument affecting real property is void against a later creditor or purchaser for value who has no notice of it.7State of Texas. Texas Property Code Section 13.001 – Validity of Unrecorded Instrument File the acknowledged agreement in the deed records of the county where each affected parcel sits.5State of Texas. Texas Family Code Section 4.106 – Rights of Creditors and Recordation Under Partition or Exchange Agreement Fees run roughly $25 to $35 for the first page in most counties, with per-page add-ons; call the county clerk for the exact figure before filing.8State of Texas. Texas Local Government Code Section 118.011 – Fee Schedule

Creditor and Tax Issues the Template Will Not Warn You About

A partition agreement is void as to a preexisting creditor whose rights are intended to be defrauded by the transfer.5State of Texas. Texas Family Code Section 4.106 – Rights of Creditors and Recordation Under Partition or Exchange Agreement Shifting assets to the non-debtor spouse while creditors are circling invites a fraudulent transfer challenge. Partitions executed well before any debt arises are far harder to attack than ones signed under pressure. Be honest about your timing before you sign.

Federal gift tax is usually a non-issue. Transfers between spouses who are both U.S. citizens qualify for the unlimited marital deduction, so even a lopsided partition triggers no federal gift tax.9Office of the Law Revision Counsel. 26 USC 2523 – Gift to Spouse If one spouse is not a U.S. citizen, the marital deduction does not apply and transfers above $194,000 in 2026 may be taxable; get tax advice before signing.

On income tax, once you partition an asset and include the income-characterization language, income from that asset is reported by the owning spouse alone rather than split as community income.3Internal Revenue Service. Publication 555 – Community Property That matters most in any year you file separately or if the marriage ends.

Changing the Agreement Later

Life changes, and so can the agreement, but only by mutual consent. A modification or revocation must meet the same Section 4.104 formalities as the original: in writing, signed by both spouses.4State of Texas. Texas Family Code Section 4.104 – Formalities If you recorded the original, record the amendment or revocation in the same county so the public record matches.

When a Template Is Not Enough

A template handles straightforward partitions well: a bank account, a vehicle, a clause making future earnings separate. Some situations exceed what any generic form can safely cover. Complex business interests with multiple owners, property in other states with different marital property rules, retirement accounts subject to federal ERISA requirements, and significant existing debt all raise risks that a form will not flag. Having a Texas family law attorney review a completed draft typically costs a few hundred dollars and can catch problems that would cost far more to litigate later.