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The Definition of the Date of De Facto Separation Has a Direct Impact on the Division of Properties Financed under Partial Community Property, as It Determines Which Installments Are Included in the Division and Which Are Excluded from the Division between Ex-Spouses.
In divorces under partial community property, state courts and the STJ have been establishing an objective cutoff point for financed properties: the division only includes the installments paid during the marriage, up to the de facto separation.
After this milestone, payments made by only one of the ex-spouses do not, as a rule, become part of the “shareable estate,” unless consistent demonstration of subsequent common contribution is provided, in accordance with Article 1,658 of the Civil Code.
What Changes with De Facto Separation
De facto separation ends the community of property efforts, even if the formal divorce is granted later.
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Courts explicitly register this distinction: it is the date when the shared life ends that delineates the period of shareable assets and debts.
Thus, installments of financing paid after the end of cohabitation generally cease to be shared between the parties.
STJ Guidelines and Compatibility with Partial Community Property
The Superior Court of Justice has reiterated that, in the regime of partial community property, acquisitions made during the marital union are shared.
In the practice of financing contracts, this guidance translates into dividing what was effectively paid while the couple lived together, regardless of whether the contract was formalized by only one of the spouses.
The focus is on the burden and the period during which the economic effort was shared.
How to Calculate Each Party’s Share
Recent decisions and technical analyses converge on a simple and verifiable procedure.
First, the total of installments paid since the beginning of the shared life until the de facto separation is determined.
This amount constitutes the shareable value, generally divided into equal parts. Then, the installments paid after the breakup are identified.
If they were exclusively borne by one ex-partner, they are likely excluded from the community.
In specific cases, compensations may be allowed during settlement, when the records show reciprocal payments for other expenses or related credits.
Proving the Date That Ends Cohabitation
The timeframe depends on evidence.
Courts tend to evaluate elements such as change of address, extrajudicial notifications, written communications between the parties, petitions in family actions, and evidence that autonomous residences and finances began to exist.
The more robust the evidence, the less controversy there is regarding the cutoff date for the shared payments.
In disputes of this nature, chronologically consistent documents tend to carry decisive weight.
Financings Signed Before Marriage
The same logic has been applied when the contract was signed before the marriage, but the payments extended to the union period.
The relevant criterion is not the date of signing, but rather the payments made during the duration of the marriage or stable union.
Thus, the ex-spouse or ex-partner is entitled to half of what was disbursed while there was shared life, even if the financing is solely in one person’s name.
From the date of de facto separation, payments cease to be included in the community, preserving the correlation between joint effort and shareability.
FGTS, Personal Expenses, and Adjustments in Settlement
There are ancillary repercussions that may alter the final balance between the parties.
Some rulings allow compensation, during the settlement phase, of amounts that one of the ex-partners continued to pay alone after the end of cohabitation, in order to avoid imbalances in the division.
Complementarily, personal expenses and credits can have specific treatment.
This is the case, for example, with certain withdrawals from FGTS linked to periods before the marriage and used for the acquisition of the property: the proven origin of the funds can eliminate the shareability.
The documentation of these items — when, by whom, and from what source they were paid — reduces disagreements and favors a more precise solution.
Why the Exact Date Matters in Financing
In long-term contracts, such as housing ones, defining the end-of-cohabitation milestone prevents prolonged discussions about who covered each installment.
The temporal cut strengthens the economic predictability of the partial community property regime, by limiting the division to the period when the couple actually shared income and expenses.
Without this parameter, the risk is to extend shareability to payments made without the participation of the other, a situation that case law seeks to avoid.
Step-by-Step Evidence Process in the Concrete Case
The controversy tends to be resolved by confronting two evidentiary fronts.
On one side, documents that accurately establish the date of de facto separation: lease contracts signed by only one party, proof of address change, emails or messages in which the end is acknowledged, protocols of divorce or dissolution of stable union actions, along with records of opening of independent bank accounts.
On the other side, the financing history: payment books, bank statements, financial agent spreadsheets, and receipts that detail installments, extraordinary amortizations, insurances, and fees.
Once the timeline is established, the division follows the pattern: up to the end of the cohabitation, what was paid is divided; afterward, it is assessed whether there are elements for specific compensations.
And What About Mixed Payments After the Breakup?
Hybrid situations also arise.
In some cases, despite the de facto separation, the parties continue to contribute jointly for a certain period, for example, to avoid default while negotiating the sale of the asset.
When there is clear evidence of this arrangement, the case law allows such installments to be included in the common calculation, always referring to what was actually paid together.
Without this evidence, the general exclusion rule prevails.
What to Observe When Gathering Documents
To support the timeline and the amounts, it is advisable for each party to accurately describe the sequence of payments.
Chronological proofs, bank calculation memories, tax return statements, and transfer records help separate what is shareable from what is not.
In parallel, the documentary narrative of the breakup — new residences, individual contracts, separate accounts — tends to provide consistency to the final milestone of cohabitation.
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