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Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato)

Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato)

CARTA DE INCUMPLIMIENTO DE CONTRATO

Notificación formal de incumplimiento y requerimiento de cumplimiento — CCF art. 1949 y CCom art. 75

I. PARTES

PARTE AFECTADA (quien envía esta notificación):

Nombre / Razón Social: [Sender Name]

RFC: [Sender RFC]

Domicilio y contacto: [Sender Address]

Representante autorizado: [Sender Representative]

PARTE INCUMPLIDORA (quien recibe esta notificación):

Nombre / Razón Social: [Breaching Party Name]

RFC: [Breaching Party RFC]

Domicilio para notificaciones: [Breaching Party Address]

II. CONTRATO DE REFERENCIA

Contrato: [Contract Name]

Objeto del contrato: [Contract Object]

III. DESCRIPCIÓN DEL INCUMPLIMIENTO

Por medio de la presente carta, y de conformidad con los Artículos 1949 y 2116 del Código Civil Federal (CCF) y el Artículo 75 del Código de Comercio (CCom), la parte afectada notifica formalmente a la parte incumplidora que ha incurrido en el siguiente incumplimiento de sus obligaciones contractuales:

[Breach Description]

Daños y perjuicios causados por el incumplimiento: [Damages Caused]

V. REQUERIMIENTO DE CUMPLIMIENTO Y PLAZO DE SUBSANACIÓN

Se requiere a la parte incumplidora que subsane el incumplimiento descrito dentro de [Cure Period], debiendo cumplir con la siguiente obligación o remedio:

[Remedy Demanded]

La parte afectada se reserva el derecho de optar entre el cumplimiento forzoso y la resolución del contrato conforme al Artículo 1949 CCF. Esta reserva no implicará renuncia a ningún derecho o acción derivado del incumplimiento.

VI. CONSECUENCIAS DE LA FALTA DE SUBSANACIÓN

De no subsanarse el incumplimiento dentro del plazo señalado, la parte afectada ejercerá los derechos que le confieren el Artículo 1949 CCF (cumplimiento o resolución más daños y perjuicios), el Artículo 2117 CCF (pena convencional), el Artículo 362 CCom (intereses moratorios desde la fecha de esta carta), y el Artículo 1168 CCF (interrupción de la prescripción por interpelación extrajudicial). En caso de que no se alcance una solución amistosa, se iniciará el procedimiento de conciliación o arbitraje que corresponda, o se presentará la demanda ante el Juzgado de Distrito en Materia Mercantil o Civil competente, solicitando las medidas cautelares pertinentes.

En [Issue City], a [Issue Date].

PARTE AFECTADA:

[Sender Name]

Representado por: [Sender Representative]

Firma: _________________________

Non-Breaching Party / Legal Representative (Parte Afectada / Representante Legal)

________________

Signature

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What Is a Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato)?

A Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato) is a formal written notification sent by the non-breaching party (parte cumplida or parte afectada) to the breaching party (parte incumplidora) identifying specific violations of contractual obligations, demanding cure or performance within a specified period, and asserting the legal remedies available under Mexican law — principally governed by Código Civil Federal (CCF) Article 1949 and, for commercial contracts, by Código de Comercio (CCom) Article 75.

Código Civil Federal Article 1949 is the cornerstone provision for contractual breach remedies in Mexico. Article 1949 establishes that when one party to a bilateral (synallagmatic) contract fails to fulfil its obligations (incumplimiento), the other party may choose between: (a) demanding specific performance (cumplimiento forzoso) of the obligation, with payment of damages (daños y perjuicios); or (b) rescinding (resolver or rescindir) the contract, also with payment of damages. This election between cumplimiento and resolución is fundamental to Mexican contract law — the non-breaching party cannot simultaneously demand both rescission and performance. A Notice of Breach Mexico preserves both options by formally documenting the breach, demanding cure, and reserving the right to elect the preferred remedy after the cure period expires.

Under CCF Article 2116, liability for breach of contract in Mexico requires: (a) existence of a valid binding obligation (obligación exigible); (b) breach (incumplimiento) by the obligated party; (c) damage (daño) suffered by the creditor; and (d) a causal link (nexo causal) between the breach and the damage. The breach notice establishes the first two elements — providing the evidentiary foundation for any subsequent claim for damages before the Juzgados de Distrito en Materia Mercantil or Materia Civil Federal.

Mexican contract law recognises mora (legal default) as a critical concept interacting with breach notices. Under CCF Article 2104, a debtor is in mora when: (a) the obligation has a fixed due date (plazo determinado) and the date passes without performance — mora automática, no notice required; or (b) the obligation requires demand (interpelación) to fix the due date — mora por interpelación, requiring the creditor to send formal notice. The Notice of Breach Mexico serves as this interpelación when the contract's performance obligations do not have a fixed deadline — placing the debtor formally in mora from the date of notification and commencing the accrual of moratory interest under CCom Article 362.

For commercial contracts between merchants — governed by CCom Article 75 — the breach notice is particularly important for triggering the Juzgado de Distrito en Materia Mercantil's jurisdiction and establishing the documentary record for a subsequent juicio ordinario mercantil or juicio ejecutivo mercantil. The breach notice, combined with the underlying contract and evidence of the specific breach (non-delivery records, audit reports, quality test results, financial statements), constitutes the documentary foundation of the commercial litigation file.

The Suprema Corte de Justicia de la Nación (SCJN) has developed extensive jurisprudencia on the CCF Article 1949 election between cumplimiento and resolución — including the principle that once rescission is formally communicated and accepted, the non-breaching party cannot revert to demanding performance (the election is generally irrevocable once exercised). A Notice of Breach Mexico that demands cure without formally electing rescission preserves maximum flexibility for the non-breaching party — allowing election of the remedy most favourable to the party after the cure period has passed without adequate response.

For construction contracts (contratos de obra), service agreements (contratos de servicios), technology contracts (contratos de tecnología), and supply agreements (contratos de suministro) — all common commercial contract types in Mexico — a written breach notice is essential to activate contractual mechanisms such as step-in rights (derechos de intervención), suspension of counter-performance (excepción de contrato no cumplido or exceptio non adimpleti contractus) under CCF Article 1950, and liquidated damages (pena convencional) under CCF Article 2117.

When Do You Need a Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato)?

A Notice of Breach of Contract Mexico is required whenever a party to a commercial or civil contract identifies a material violation of the other party's contractual obligations and wishes to formally document the breach, demand cure, and preserve its legal remedies under Código Civil Federal Article 1949 and Código de Comercio Article 75.

The notice is needed when a supplier or service provider fails to deliver goods or services by the agreed date (incumplimiento en tiempo) — the buyer or client sends a breach notice identifying the specific delivery defaults, demanding completion within a cure period, and reserving the right to terminate and claim damages if cure is not made.

A breach notice is required when a contractor in a construction project (contrato de obra a precio alzado or por unidad de trabajo) fails to meet quality standards (incumplimiento en calidad), deviates from approved specifications, or falls below progress milestones — the owner sends a formal notice requiring correction within a specified period before exercising step-in rights or terminating the contract under the applicable construction contract terms and CCF Article 1949.

The notice is also needed when a licensee under an intellectual property licence agreement (contrato de licencia de uso de propiedad intelectual) breaches the licence terms — using the licensed technology outside the agreed scope, sublicensing without consent, or failing to maintain quality standards for licensed products. The licensor sends a breach notice preserving the right to terminate the licence under LFPPI and CCF Article 1949.

A Notice of Breach Mexico is required when a confidentiality agreement (acuerdo de confidencialidad) has been violated — triggering IMPI administrative proceedings under LFPPI Articles 386–402 as well as the contractual breach claim under CCF Article 1949. The breach notice formally establishes the date of violation, the specific information disclosed, and the creditor's demand for immediate cessation of disclosure.

Under CCF art. 1949 and CCom art. 75, a written breach notice is the standard first formal step before initiating any litigation or arbitration for contract breach — establishing the paper trail required by the Juzgados de Distrito en Materia Mercantil and demonstrating the non-breaching party's good-faith attempt to resolve the dispute before resorting to courts.

What to Include in Your Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato)

A legally effective Notice of Breach of Contract Mexico under Código Civil Federal Article 1949 must include these essential elements to properly place the breaching party in mora, preserve remedies, and support subsequent legal proceedings:

Party Identification: Full legal name, RFC, domicilio fiscal, and contact information of the non-breaching party (parte afectada) sending the notice and the breaching party (parte incumplidora) receiving it. The notice must be signed by an authorised representative — with reference to the authority instrument (escritura pública or poder notarial) for corporate entities.

Contract Identification: Precise reference to the contract that has been breached — full title, execution date, contract number, parties, and subject matter (objeto). For contracts executed before a Notario Público or Corredor Público, the notarial instrument number and date. Attachment of the relevant contract as an exhibit establishes the scope of obligations.

Description of the Breach: A specific, detailed description of each obligation that has been breached — identifying: (a) the precise contractual provision (clause number and text) creating the obligation; (b) the agreed performance standard or delivery date; (c) how and when the breaching party failed to meet that standard; and (d) documentary evidence of the breach (delivery failure records, quality inspection reports, audit findings, correspondence). Vague breach descriptions weaken the notice and may allow the breaching party to challenge the sufficiency of the demand.

Cure Period: A specific, reasonable period within which the breaching party must cure the breach — typically 5 to 15 business days for payment defaults and 15 to 30 calendar days for performance defaults, unless the contract specifies a different cure period. The cure period must be express and unambiguous to constitute effective interpelación under CCF Article 1949 that triggers mora.

Remedy Demanded: Clear statement of the remedy the non-breaching party is demanding — cure and specific performance (cumplimiento); payment of outstanding amounts (pago de cantidades adeudadas); replacement of non-conforming goods or rework of defective services; cessation of a prohibited activity; or, in the alternative, payment of contractual damages and liquidated damages (pena convencional). The notice should reserve the right to elect rescission (resolución) and additional damages if cure is not made within the cure period.

Quantification of Damages: To the extent calculable at the time of the notice, a statement of the damages (daños y perjuicios) already incurred by the non-breaching party — including direct financial losses, additional costs caused by the breach, and the applicable pena convencional under CCF Article 2117. Stating damages in the breach notice informs the breaching party of the financial stakes and strengthens the subsequent damages claim.

Exceptio Non Adimpleti Contractus: If the non-breaching party is suspending its own counter-performance (suspending payment or withholding further deliveries) due to the other party's breach, the notice should assert the excepción de contrato no cumplido under CCF Article 1950 — establishing the legal basis for the suspension of counter-performance and protecting against a claim that the notice-sender is itself in breach.

Statutory References: Citations to CCF Article 1949 (right to demand performance or rescission upon breach), CCF Article 2116 (conditions for breach liability), CCF Article 2117 (pena convencional), CCom Article 362 (moratory interest from date of demand), and CCF Article 1950 (exceptio non adimpleti contractus).

Consequences of Non-Cure: Express statement that failure to cure within the specified period will result in the non-breaching party exercising its right to rescind the contract under CCF Article 1949, filing a commercial or civil action before the Juzgado de Distrito en Materia Mercantil or Materia Civil Federal, and claiming all accumulated damages, legal costs, and attorney fees.

Delivery Method: Notarial service (acta notarial) for maximum evidentiary effect; certified mail (carta certificada) with acuse de recibo; or email to the contractually agreed notice address with read receipt confirmation. Forms-legal.com provides this template as a starting point — breach notices involving amounts above $1,000,000 MXN or complex multi-party contracts should be reviewed by a Licenciado en Derecho before sending.

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Forms Legal. (2026). Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato) (Mexico) [Legal document template]. Forms Legal. https://forms-legal.com/mexico/business/letters/notice-of-breach-of-contract-mexico

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BibTeX
@misc{formslegal-notice-of-breach-of-contract-mexico,
  author       = {{Forms Legal}},
  title        = {Notice of Breach of Contract Mexico (Carta de Incumplimiento de Contrato) (Mexico)},
  year         = {2026},
  howpublished = {\url{https://forms-legal.com/mexico/business/letters/notice-of-breach-of-contract-mexico}},
  note         = {Free legal document template}
}

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