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SettleADebt C_BR PASS-13 — Brazil

Ordinary civil assignment, ownership, debtor notice, defenses and creditor/payment-recipient authority

Distinct component: Reviewed P01 D07 only, limited to ordinary private civil cessão de crédito, ownership/authority, debtor notice or knowledge, protected payment, defenses and assignor/assignee/payment-recipient authority.

Research baseline: October 22, 2026, America/Los_Angeles. Fresh source access: October 26, 2026 PDT / October 27, 2026 UTC. Exact source-opening clocks: Not logged and unknown. Publication dates and review-completion timestamps are not source-opening timestamps. Status: Narrow federal gateway research. No actual debt, creditor, assignee, collector, consumer, company, contract, assignment, account, payment, property, licence, case record or private database was searched.

PASS-04, PASS-05, PASS-08, PASS-09 and PASS-10 remain unreviewed and are not adopted as premises. PASS-06 and the PASS-07/PASS-11/PASS-12 work retain their own scoped review status and holds. Necessary assignment, payment-recipient, mandate and procedural rules were read afresh.

The part of P01 D07 concerning voluntary participation in a court or statutory consumer process, creditor summons, and nonappearance consequences remains deferred, except for the narrow proposition that valid court citation can itself give the debtor notice of an assignment.

Executive determination

1. Ordinary assignment transfers the creditor’s position, not the debtor’s obligation. A creditor may generally assign a claim unless the obligation’s nature, the law, or an agreement with the debtor prevents it. Accessories ordinarily follow the assigned claim. Assignment does not, by itself, alter the nature, validity, amount, maturity, prescription status, consumer character or defenses attached to the underlying obligation. C_BR-P13-C002–C005, C032, C053. Primary source: Civil Code arts. 286–287, https://www.planalto.gov.br/ccivil_03/leis/2002/l10406compilada.htm. Planalto+1
2. Debtor consent and debtor notice are different. The ordinary assignment agreement is made between assignor and assignee; the debtor’s agreement is not generally required. Notice or unequivocal knowledge is instead material to the assignment’s effects against the debtor, particularly whom the debtor can safely pay. C009–C014, C056. Civil Code art. 290; STJ Informativos 713 and 749. Planalto+2
3. A pre-notice defect does not ordinarily invalidate the assignment between assignor and assignee. STJ materials read here distinguish the assignment’s existence and enforceability from its effectiveness against an uninformed debtor. Absence of pre-litigation notice does not extinguish the debt or categorically prevent an assignee from bringing a collection action. Valid citation in that action can give the debtor the legally relevant knowledge. C011–C013. STJ+1
4. No single formal notice method is universally required. Civil Code art. 290 expressly recognizes notification and written acknowledgment. The STJ’s June 2026 Third Panel judgment states that no specific form is indispensable if the debtor’s unequivocal knowledge is proved; an electronic communication was accepted on the factual record before that court. The decision does not make every email, text or collection message sufficient. Authenticity, content, debt identity, sender authority, delivery and actual knowledge remain factual. C010, C013–C015. STJ+3
5. Payment before knowledge is protected. A debtor who, before learning of the assignment, pays the original creditor is discharged to the extent of that valid payment. Once the debtor has actual, unequivocal knowledge, payment to the original creditor is ordinarily ineffective against the assignee unless another rule—such as authority, ratification, actual benefit or justified putative-creditor circumstances—applies. C019–C024. Civil Code arts. 292 and 308–311; STJ AREsp 3.097.109-SP. Planalto+3
6. A bare collection email proves little by itself. It may contribute to proof of notice or knowledge, but does not automatically prove:that the sender owns the claim;that every assignment in the chain is valid;that the stated account is included;that the amount is correct;that the underlying debt is enforceable; orthat the sender may settle, remit, receive or give full discharge. C014–C015, C037–C040, C055–C057.
7. The debtor retains defenses. Civil Code art. 294 permits the debtor to oppose against the assignee the defenses belonging to the debtor and those the debtor had against the assignor when the debtor learned of the assignment. The assignment does not cleanse defects from the underlying relationship. Setoff has an additional notice-and-silence rule under art. 377, which must not be generalized to all defenses. C027–C031. Planalto+2
8. Multiple assignments have special priority and payment-protection rules. Priority can turn on delivery of the assigned claim’s title; where multiple assignments have been notified, the debtor is protected by paying the assignee who presents both the assignment title and the assigned obligation’s title. For a claim evidenced by public deed, notice priority controls. These provisions require actual instruments and do not authorize an information service to choose the rightful creditor from names alone. C016–C018. Planalto
9. Servicing or collection authority is not ownership. A creditor can appoint an agent to collect or receive, but mandate and assignment are distinct. A general mandate grants only ordinary administrative powers; special and express powers are needed to compromise rights. A collector may therefore be authorized to receive a scheduled payment without owning the claim or being authorized to settle, forgive, novate or release it. C034–C040. Planalto+2
10. **Assignor warranties are limited.**In an onerous assignment, the assignor is responsible to the assignee for the claim’s existence at the time of assignment.In a gratuitous assignment, that responsibility arises where the assignor acted in bad faith.The assignor does not ordinarily guarantee the debtor’s solvency unless the parties stipulate otherwise.Where solvency is guaranteed, Civil Code art. 297 imposes a statutory cap based on what the assignor received, corresponding interest, assignment expenses and collection expenses. C044–C049. Planalto+3
11. A September 2026 STJ decision confirms the distinction between original existence and later risk, but in a special factual setting. The Third Panel held, in a precatório assignment without an express solvency guarantee, that a later judicial event reducing or extinguishing the assigned claim fell on the assignee rather than converting the ordinary pro soluto assignment into a pro solvendo arrangement. That special holding does not decide every consumer account, fraud, breach, title defect or contractual recourse clause. C047, C049. STJ+3
12. Court participation and statutory creditor nonappearance remain outside this pass. CPC arts. 109 and 778 provide only a narrow boundary for assignment of litigated rights and execution succession. No conclusion is made here about creditor attendance, summons or nonappearance in a superendividamento, insolvency, judicial conciliation or other statutory consumer process. C041–C043, C058. Planalto+1

G1. Current ordinary federal civil-transfer framework

G1.1 Controlling bodies and commencement

The primary operative body is the current compiled Civil Code, Lei 10.406/2002:

https://www.planalto.gov.br/ccivil_03/leis/2002/l10406compilada.htm

Material provisions freshly read include:

• arts. 286–298 — assignment of claims;
• arts. 299–303 — assumption of debt, only to distinguish the debtor-side substitution;
• arts. 308–312 — proper payment recipient and competing claims;
• arts. 346–351 — subrogation, only to distinguish a payment-based transfer;
• arts. 360–361 — novation, only to distinguish extinguishment and replacement;
• arts. 368–377 — setoff, especially assignment-specific art. 377;
• arts. 653–662 — mandate, extent of authority and ratification; and
• art. 2.044 — one-year delayed original commencement.

The Code states that it entered into force one year after its official publication. The Planalto compilation identifies the original DOU publication as January 11, 2002. C001. Planalto

The narrow procedural body is the current compiled CPC, Lei 13.105/2015:

https://www.planalto.gov.br/ccivil_03/_ato2015-2018/2015/lei/l13105.htm

Material provisions read include:

• arts. 108–109 — transfer of a litigated right;
• art. 778 — execution by an assignee or subrogee; and
• art. 1.045 — original one-year delayed commencement.

The CPC entered into force one year after official publication. C041–C042. Planalto+2

No exhaustive reconstruction of every historical amendment, special product law or later judicial citation is claimed.

G1.2 What ordinary assignment does

Civil Code art. 286 permits the creditor to transfer its claim unless opposed by:

1. the obligation’s nature;
2. the law; or
3. an agreement with the debtor.

The transaction changes the creditor side of the obligation. It does not ordinarily substitute the debtor, extinguish the obligation or create a new obligation. C002–C004. Primary source: https://www.planalto.gov.br/ccivil_03/leis/2002/l10406compilada.htm, art. 286. Planalto

Anti-assignment clause

The same article provides that a contractual clause prohibiting assignment cannot be asserted against a good-faith assignee if the prohibition does not appear in the instrument of the obligation. This creates several factual branches:

• Was there a prohibition?
• Was it in the underlying instrument?
• Was the assignee in good faith?
• Does special law independently prohibit transfer?
• Is the obligation personal by nature?

A notice saying “your account was sold” does not answer those questions. C003–C004. Planalto

Accessories

Under art. 287, assignment ordinarily includes all accessories unless otherwise provided. This can include attached rights or guarantees, subject to their own nature, registration, third-party participation and special law. The STJ has also cautioned that personal rights inseparable from the assignor’s own status do not necessarily pass. C005. Planalto+1

Mortgage registration boundary

Civil Code art. 289 permits an assignee of a mortgage-backed claim to record the assignment in the property registry. That does not clear mortgage, fiduciary-security, property-registration or enforcement law, all of which remain deferred. C008. Planalto

G1.3 Validity between the assignment parties versus effects on third parties

Civil Code art. 288 states that transfer of a claim is ineffective against third parties unless made by:

• public instrument; or
• private instrument bearing the formalities referred to in art. 654 §1.

Those private-instrument formalities include the place, identification of the grantor and grantee, date, object and extent of the powers or transaction. C006–C007. Planalto+1

The STJ’s official 2022 Informativo 749 says that, as between assignor and assignee, assignment is generally consensual and form-free; art. 288’s public/private-instrument rule concerns effects against third parties. That decision arose in a specific attorney-fee context and does not waive form required by the nature of another transaction or special law. C006–C007, C050. STJ

Thus three questions must be separated:

G1.4 Transaction distinctions

Primary provisions: Civil Code arts. 299, 346–351, 360–361 and 653–662. Planalto+5

The STJ’s 2016 official research page specifically distinguishes civil assignment, including factoring transactions, from negotiable-instrument endorsement rules concerning personal defenses. STJ

G2. Debtor notice, payment, defenses and assignor/assignee authority

G2.1 Debtor consent versus notice

Ordinary assignment does not generally make the debtor a contracting party to the assignment. The debtor’s disagreement with the sale does not alone invalidate it. Notice serves a different function: it makes the transfer effective against the debtor and identifies to whom the debtor should perform. C009, C011, C053, C056. Planalto+1

Civil Code art. 290 provides two express paths:

• notification to the debtor; or
• a public or private writing in which the debtor declares awareness of the assignment.

The STJ has interpreted the provision functionally rather than as requiring one formal notice template. C009–C014. Planalto+1

G2.2 Citation and unequivocal knowledge

Corte Especial — 2021

In EAREsp 1.125.139-PR, the STJ Corte Especial held that citation in a collection action brought by the assignee is sufficient to inform the debtor of the assignment. The official Informativo states that the requirement is satisfied because citation gives unequivocal knowledge of the transfer and whom to pay. The case was decided October 6, 2021; the later 2026 STJ judgment identifies publication on December 17, 2021. C012–C013. STJ+1

Third Panel — 2026

AREsp 3.097.109-SP, unanimously decided in the virtual session ending June 1, 2026 and published June 9, 2026, states:

• no specific notice form is required;
• unequivocal proof of the debtor’s knowledge is sufficient;
• electronic communication can satisfy the standard where the facts prove knowledge; and
• payment to the original creditor after such knowledge is ineffective against the assignee.

The court declined to reweigh the lower court’s factual finding because of STJ Súmula 7. The decision therefore does not establish that every electronic message proves knowledge. C013–C015, C020–C021. STJ+5

No retroactive cure of prior payment

Citation can supply knowledge from that procedural point forward. It does not retroactively convert a protected payment made before knowledge into an ineffective payment. Civil Code art. 292 protects the pre-knowledge payer, and the 2026 judgment distinguishes payment before and after knowledge. C019–C021, C043. Planalto+1

G2.3 Bare notice versus ownership proof

A communication may be enough to place the debtor on notice even though it is not enough to prove the complete ownership chain.

A proper authority assessment should distinguish:

C015, C037–C040, C055–C057.

An information service can summarize the documents provided but cannot reliably infer ownership from a brand, account number, collector’s possession of data or one unverified email.

G2.4 Multiple assignments

Civil Code arts. 291–292 establish several separate rules.

Priority between assignments

Where the same claim is assigned multiple times, the assignment completed by delivery of the assigned claim’s title prevails. C016. Planalto

Debtor’s protected payment after multiple notifications

Where more than one assignment has been notified, the debtor is discharged by paying the assignee who presents:

• the title of assignment; and
• the title of the assigned obligation.

C017. Planalto

Public deed

Where the claim appears in a public deed, priority of notification governs. C018. Planalto

Those rules do not resolve modern electronic-title custody, registries, secured interests or special negotiable-instrument priority. Actual instruments and any special law remain required.

G2.5 Conservatory acts before notice

The assignee may perform acts necessary to preserve the assigned right even before the debtor knows of the assignment. This does not erase the debtor’s protected-payment rule or prove entitlement to every collection or reporting act. C019. Primary source: Civil Code art. 293, https://www.planalto.gov.br/ccivil_03/leis/2002/l10406compilada.htm. Planalto

G2.6 Whom the debtor may safely pay

Original creditor before knowledge

The debtor is discharged when, before learning of the assignment, the debtor pays the original creditor. The protection applies to the valid payment made, not automatically to unpaid amounts or a different account. C020. Planalto+1

Original creditor after knowledge

After unequivocal knowledge of the assignment, payment to the assignor is ordinarily ineffective against the assignee. The debtor may then face a claim from the assignee and must seek any recourse against the recipient of the misdirected payment. C021. STJ

Creditor or representative

Civil Code art. 308 provides that payment should be made to the creditor or the person legally representing the creditor. Payment to another person is effective only if:

• ratified by the creditor; or
• actually beneficial to the creditor to the proven extent.

C022–C023. Planalto

Putative creditor

Good-faith payment to a person who reasonably appeared to be the creditor can be valid under art. 309. This is an exceptional fact-specific rule, not protection for blind reliance on any caller or payment link. C024. Planalto

Holder of a receipt

The bearer of the creditor’s receipt is presumed authorized to receive unless circumstances rebut the presumption. C025. Planalto

Attached claim

Once a claim is attached, a creditor who knows of the attachment cannot transfer it. A debtor who pays without notice of the attachment is discharged, leaving the relevant third-party rights against the creditor. C026, C048. Planalto+1

G2.7 Debtor defenses

Civil Code art. 294 provides that the debtor may oppose against the assignee:

• defenses belonging to the debtor; and
• defenses the debtor had against the assignor when the debtor learned of the assignment.

C027–C028. Planalto

Depending on the actual obligation, these can include matters such as:

• prior payment;
• lack of formation or authority;
• nonperformance;
• invalidity;
• wrong amount;
• remission or release;
• condition not satisfied; or
• other defenses arising from the underlying relationship.

This list is illustrative. The existence and timing of each defense require the actual contract and evidence.

Civil assignment versus endorsement

The STJ’s official 2016 research publication states that the negotiable-instrument rule restricting personal defenses does not automatically govern a civil assignment such as factoring. The debtor’s art. 294 defenses must therefore not be erased merely because a third party acquired the receivable. C030, C051. STJ

G2.8 Setoff

Civil Code art. 377 contains a narrower, assignment-specific setoff rule:

• if the debtor is notified of the assignment and says nothing, the debtor cannot later oppose against the assignee a setoff that, before the assignment, could have been opposed against the assignor;
• if the debtor was not notified, the debtor may oppose the assignee with the preexisting claim against the assignor.

C029–C030. Planalto

This provision should not be restated as “silence waives every defense.” It concerns the specified setoff branch. Art. 294 remains the general defense provision. C031.

G2.9 Assignor warranties

Existence of the claim

In an onerous assignment, the assignor is responsible to the assignee for the existence of the claim at the time of assignment even if the agreement contains no separate existence warranty. In a gratuitous assignment, that responsibility applies where the assignor acted in bad faith. C044–C045. Planalto

This concerns the assignor-assignee relationship. It does not make the debtor liable merely because the assignor represented that a claim existed.

Solvency

The assignor does not ordinarily guarantee the debtor’s solvency unless the parties agree otherwise. C046. Planalto

Where solvency responsibility is assumed, art. 297 limits it to:

• the amount received by the assignor;
• corresponding interest;
• assignment expenses; and
• collection expenses incurred by the assignee.

C047. Planalto

September 2026 STJ qualification

In REsp 1.874.623-DF, the Third Panel unanimously held that an assignor of a precatório without an express solvency guarantee was not responsible for a later judicial cancellation that represented a subsequent risk rather than original nonexistence. The judgment was published September 17, 2026. It treats the ordinary assignment as pro soluto unless the parties expressly create a pro solvendo solvency allocation. C047, C049. STJ+5

The holding’s limits are material:

• it concerned a special precatório asset;
• the later event occurred after the assignment;
• no express solvency warranty applied;
• it did not decide fraud, original nonexistence, hidden title defects or every contractual recourse clause; and
• it is a Third Panel judgment, not an independently verified repetitive-theme thesis.

G2.10 Minimum documentary packet

A real authority classification requires, at minimum:

1. the original obligation;
2. all amendments;
3. the first assignment instrument;
4. schedules identifying the specific account;
5. every subsequent assignment;
6. public/private form and signatures;
7. any registration or title-delivery evidence;
8. the debtor notice and proof of receipt or knowledge;
9. payment history before and after notice;
10. creditor and collector mandates;
11. settlement/remission authority;
12. attachment or competing-claim notices;
13. defenses and setoff documents;
14. any litigation and citation chronology; and
15. any special product, security or negotiable-instrument law.

A database record or demand letter can help locate these documents but is not a substitute for them. C055–C057.

G3. Controlling published court qualifications

G3.1 Court-authority table

G3.2 Precedential/currentness limits

• The 2026 AREsp expressly describes the citation/knowledge jurisprudence as established and relies on the 2021 Corte Especial decision. This supports continued application through June 2026, but no exhaustive later citator search is certified. STJ
• The two 2026 Third Panel judgments are merits decisions, but no repetitive-theme or binding-precedent status beyond the published decisions was established.
• The official 2016 and 2020 pages are explanatory publications, not substitutes for full opinions where a real dispute turns on their precise holdings.
• No actual party docket or private case record was searched.
• No proposition is adopted from an unopened search snippet.

C050–C052, C060.

G4. Ten fictional workflows

All persons, entities, debts, instruments, amounts, notices and payments below are invented. They are classification exercises, not actual ownership, payment, liability or enforceability conclusions.

H01 — Bare collection email

Facts: An unknown company emails a consumer: “We now own Account 123. Pay us R$8,000.” The message has no assignment instrument, schedule, original-creditor identification or authority document.

Actors: Alleged assignee, alleged debtor, unidentified assignor.

Controlling claims: C009–C015, C037–C040, C055–C057.

Conditional result:

• The email can be evidence that a claim of assignment was communicated.
• If authenticated, sufficiently specific and received, it may contribute to proving knowledge under art. 290.
• It does not independently prove ownership, complete title chain, correct account inclusion, balance or settlement authority.

Required next documents: Original obligation, assignment, account schedule, chain, sender authority and payment instructions.

Adverse branch: A court or full evidence record may establish unequivocal knowledge even if this email is not a formal notice.

Exact next question: Which executed instrument transfers this particular account from the identified prior creditor to the sender?

H02 — Written notice but incomplete title chain

Facts: A notice identifies Creditor A and Assignee C, but the available records suggest an intermediate transfer through B. The A-to-B assignment is supplied; the B-to-C assignment is missing.

Actors: Assignor A, intermediate B, claimed assignee C, debtor.

Controlling claims: C006–C018, C055–C057.

Conditional result: The notice may inform the debtor that C claims the debt, but does not prove the missing B-to-C link. Payment should not be directed solely from the incomplete chain without resolving recipient authority.

Adverse branch: B may have appointed C only as servicer rather than transferred ownership; a servicing agreement could explain C’s authority without making C owner.

Missing facts: B-to-C assignment or servicing agreement, account schedule, signatures, form and effective date.

Exact next question: Does C claim ownership or merely authority to collect and receive for B?

H03 — Partial payment to the original creditor before knowledge

Facts and stipulated inputs:

• Valid ordinary claim before payment: R$10,000.00.
• Debtor has not received or otherwise learned of the assignment.
• Debtor pays R$4,000.00 to the original creditor.
• The payment is validly accepted and allocated to this claim.
• No interest, cost, setoff or other adjustment is included in the illustration.

Controlling claims: C019–C023, C061.

Conditional computation:

Original valid balance = R$10,000.00

Protected pre-knowledge payment = R$4,000.00

Conditional remaining balance = R$10,000.00 − R$4,000.00

Conditional remaining balance = R$6,000.00

Effect: Under art. 292, the debtor is discharged to the extent of the valid R$4,000 payment. The assignee cannot demand that same R$4,000 again merely because the original creditor failed to remit it.

What this does not mean: The entire debt is not settled; the R$6,000 residual is not verified; recourse between assignor and assignee remains separate.

Adverse branch: If the debtor already had unequivocal knowledge before paying, the art. 292 protection may not apply.

Missing facts: Notice chronology, payment clearing, allocation and valid balance.

Exact next question: What provable event first gave the debtor unequivocal knowledge of the transfer?

H04 — Multiple assignees

Facts: Assignor A purports to assign the same claim to B and C. Both notify the debtor. B produces only an assignment notice. C produces an assignment instrument and the original assigned obligation’s title.

Controlling claims: C016–C018.

Conditional result:

• Priority between B and C may turn on delivery of the claim title under art. 291.
• For debtor payment protection after multiple notifications, art. 292 points to the assignee presenting both the assignment title and the assigned obligation’s title.
• If the claim is in a public deed, notice priority applies.

Adverse branch: Electronic registered assets, negotiable instruments or secured rights may follow special priority rules.

Missing facts: Title custody, execution dates, delivery, public/private form and any registry.

Exact next question: Who completed the legally relevant title-delivery or registration step first?

H05 — Contractual prohibition on assignment

Facts: The underlying contract says, “This claim may not be assigned.” In one branch, the clause appears in the signed obligation instrument. In another, it exists only in a side agreement unknown to the assignee.

Controlling claims: C003–C004.

Conditional result:

• If the prohibition appears in the obligation instrument, it can be opposable.
• If it does not appear there, Civil Code art. 286 prevents its use against a good-faith assignee.
• Bad faith, actual knowledge and special statutory prohibitions remain factual.

Adverse branch: The obligation may be nonassignable by nature or law even without the clause.

Missing facts: Complete instrument, side agreement, assignee diligence and knowledge.

Exact next question: Where was the anti-assignment clause located when the assignee acquired the claim?

H06 — Debtor has a defense against the original creditor

Facts: Before learning of assignment, the debtor had a documented claim that the original creditor never delivered the contracted service. The assignee later demands the full price.

Controlling claims: C027–C031, C051.

Conditional result: Art. 294 allows the debtor to oppose against the assignee defenses existing against the assignor when knowledge of the assignment arose. Assignment does not automatically cleanse the nonperformance defense.

Adverse branch: The alleged nonperformance may be false, waived, cured or unrelated to the assigned obligation.

Missing facts: Original contract, performance evidence, complaints, cure and notice date.

Exact next question: Was the defense fully formed and available against the assignor when the debtor learned of the assignment?

H07 — Collector has mandate but no ownership

Facts: Creditor A appoints Collector B to send notices and receive scheduled payments. B’s contract does not assign the claim and does not authorize discounts or releases. B advertises, “We own your debt and can forgive half.”

Controlling claims: C034, C037–C040.

Conditional result:

• B may have authority to collect and receive designated payments.
• B does not own the claim merely from that mandate.
• A general administrative mandate does not supply special authority to compromise, remit or release.
• A payment to B may be valid if B is the authorized representative, even though B is not owner.

Adverse branch: A separate assignment or special power may exist but has not been supplied.

Missing facts: Servicing contract, power of attorney, settlement authority and creditor ratification.

Exact next question: What instrument gives B special and express authority to bind A to a reduced settlement?

H08 — Assignee invokes assignor solvency warranty

Facts and fictional inputs:

• Assignee paid the assignor R$7,500.00 for the claim.
• The assignment expressly guarantees debtor solvency.
• Corresponding interest for the relevant period is stipulated solely for illustration at R$300.00.
• Proved assignment expenses: R$200.00.
• Proved collection expenses: R$500.00.
• No fraud, separate damages, special statute or additional contractual remedy is assumed.

Controlling claims: C044–C049, C062.

Art. 297 conditional cap:

Amount received by assignor = R$7,500.00

• corresponding interest = R$300.00

Subtotal = R$7,800.00

• assignment expenses = R$200.00

Subtotal = R$8,000.00

• collection expenses = R$500.00

Conditional statutory cap = R$8,500.00

No rounding is needed; all fictional inputs use two decimal places.

Alternative branch: Without an express solvency assumption:

Solvency liability under art. 296 branch = R$0.00

That does not eliminate liability for original nonexistence, bad faith, fraud or another independently valid claim.

No legal rate is assumed: R$300 is a private fictional input, not an applicable Brazilian interest calculation.

Exact next question: Does the executed assignment expressly make the assignor responsible for debtor solvency?

H09 — Assignment confused with novation

Facts: A creditor sells the claim to an assignee. The debtor, amount, maturity and obligation remain the same. A notice says “your creditor has changed.”

Controlling claims: C002, C032, C035.

Conditional result: This is ordinarily assignment, not novation. The creditor changes while the obligation continues. Novation would require a new obligation and express or tacit but unequivocal intent to extinguish and replace the old one.

Adverse branch: A later three-party agreement may independently novate the obligation.

Missing facts: Assignment, later agreement, revised terms and intent.

Exact next question: Which clause, if any, expressly extinguishes the original obligation rather than merely transferring it?

H10 — Assignee sues without earlier notice

Facts: An assignee files a collection action without proving a pre-suit notice. The debtor is validly cited and had made no earlier payment.

Controlling claims: C011–C013, C041–C043, C058.

Conditional result:

• Lack of earlier notice does not automatically invalidate the assignment or extinguish the debt.
• Valid citation can provide art. 290 knowledge.
• The debtor retains defenses and may dispute title, amount, assignment scope and the underlying obligation.
• Citation does not establish that the creditor will prevail.

Adverse branch: A payment made to the original creditor before citation or other proven knowledge could remain protected.

Missing facts: Pleadings, citation, assignment documents, title, amount and defenses.

Exact next question: Did the debtor make any payment or acquire unequivocal knowledge before formal citation?

Workflow count: 10, H01–H10.

G5. P01 D07 old-to-new crosswalk

Literal reviewed P01 row preserved

Original coordinator status: explicit_deferred_hold_preserved.

PASS-13 narrow disposition

Crosswalk count: 13 visible rows—one literal preservation row plus 12 narrow dispositions.

PASS-13 source register

Access date for every source: October 26, 2026 PDT / October 27, 2026 UTC. Exact source-opening times: Unknown. Publication dates: Source metadata only, not access times.

Displayed source count: 8.

No material proposition rests on an unopened snippet. No relevant official source failed in a manner requiring an alternate-source substitution.

Atomic claim/evidence register

Displayed claim count: 66, C_BR-P13-C001–C066.

Complete granular core coverage

Displayed core-coverage count: 80, P13-G01–G80.

Separately named deferred families

Displayed deferred-family count: 32.

All 27 inherited states and Distrito Federal

These jurisdiction names are inherited from the preserved P01 territorial inventory. No geography API, IBGE endpoint or fresh territorial enumeration was used. Federal Civil Code rules do not verify every local registry, court, notarial, procedural or consumer implementation.

Displayed territorial count: 27; zero state/DF branches cleared.

Evidence-backed article, checklist and conditional-tool opportunities

A safe tool must never output “verified owner” solely because a demand letter names an assignee. Its highest-confidence result should be conditional, for example:

“The documents show a claimed assignment and a claimed notice. Ownership, account inclusion, chain continuity, current authority and the underlying debt remain subject to the identified missing instruments.”

Researcher self-check

Exact evidence required for a real authority determination

1. Original obligation and amendments.
2. Every assignment agreement.
3. Account schedules and annexes.
4. Public/private form and signatures.
5. Delivery or custody of the assigned title.
6. Registry entries where applicable.
7. Every notice, acknowledgment and delivery record.
8. Court citation chronology, if any.
9. All payments and allocation records.
10. Collector or servicer agreements.
11. Powers of attorney and settlement authority.
12. Competing assignments or attachment notices.
13. Defenses and setoff documents.
14. Assignor warranties and recourse clauses.
15. Claim-purchase price, interest basis and proved expenses where art. 297 is invoked.
16. Special product, title, security and regulatory law.
17. Applicable state, DF, registry, notarial and court procedures.
18. Current official versions and later judicial treatment at the actual decision date.

Final disposition: PASS-13 establishes the narrow federal gateway for ordinary civil assignment, ownership documentation, debtor notice or knowledge, protected payment, defenses, multiple assignments, payment-recipient authority and assignor warranties. It does not establish that any actual assignee owns a claim, that any notice was sufficient, that any payment was effective, that any debt is valid or enforceable, or that any provider, contract, locality or Brazil-wide model is accepted.

END C_BR PASS-13