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SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos ante el SAT)

SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos en el RFC)

AVISO DE ACTUALIZACIÓN DE DATOS EN EL REGISTRO FEDERAL DE CONTRIBUYENTES

SAT Taxpayer Info Update Notice (RFC Update)

Conforme al Código Fiscal de la Federación (CFF), Artículo 27, y el Reglamento del CFF, Artículos 29–31

I. DATOS DEL CONTRIBUYENTE

Nombre completo / Razón Social: [Taxpayer Name]

RFC: [Taxpayer RFC]

Tipo de contribuyente: [Taxpayer Type]

Domicilio fiscal actualmente registrado ante el SAT: [Current Fiscal Address]

II. ACTUALIZACIÓN SOLICITADA

Categoría de actualización del RFC: [Update Category].

Nuevos datos a registrar en el RFC:

[New Data]

Fecha en que ocurrió el cambio: [Change Date]. El suscrito declara que el presente aviso se presenta dentro del plazo establecido en el Artículo 27 del Código Fiscal de la Federación y los Artículos 29–31 de su Reglamento.

III. DOCUMENTACIÓN DE SOPORTE

Se adjuntan los siguientes documentos de soporte conforme a la Ficha de Trámite aplicable de la Resolución Miscelánea Fiscal:

[Supporting Documents]

Forma de presentación: [Submission Method].

IV. DECLARACIONES

El suscrito contribuyente declara bajo protesta de decir verdad que:

a) Los datos proporcionados en el presente aviso son exactos, verídicos y corresponden a un domicilio fiscal real donde el contribuyente realiza efectivamente sus actividades empresariales o profesionales, conforme al Artículo 10 del CFF.

b) El nuevo domicilio fiscal declarado no es un domicilio virtual, buzón de correos, o dirección donde el contribuyente no tiene presencia física real.

c) La e.firma (Firma Electrónica Avanzada) del contribuyente o representante legal está vigente y se utilizará para la presentación electrónica de este aviso a través del Portal del SAT.

FIRMA

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

CONTRIBUYENTE / REPRESENTANTE LEGAL:

[Taxpayer Name]

RFC: [Taxpayer RFC]

Firma: _________________________

ACUSE DE RECIBO — SAT (para uso del Servicio de Administración Tributaria):

Número de folio / acuse: _________________________

Fecha y hora de recepción: _________________________

Sello digital SAT: _________________________

Taxpayer / Legal Representative (Contribuyente / Representante Legal)

________________

Signature

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What Is a SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos ante el SAT)?

A SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos en el Registro Federal de Contribuyentes) is a formal written notification submitted by a taxpayer — whether a physical person (persona física) or legal entity (persona moral) — to the Servicio de Administración Tributaria (SAT) to update or correct registration data held in the Registro Federal de Contribuyentes (RFC), including changes of fiscal domicile (domicilio fiscal), legal representative (representante legal), corporate purpose (objeto social), shareholders, phone number, email address, and other obligatory registration data. The obligation to maintain current RFC data and to notify SAT of changes is established in the Código Fiscal de la Federación (CFF) Article 27 and the Reglamento del CFF Articles 29 through 31.

The Código Fiscal de la Federación Article 27, as reformed by the Decreto de Reformas Fiscales published in the DOF on 9 December 2019 (effective 2020), establishes detailed obligations for RFC registration (inscripción) and updating (actualización) applicable to all taxpayers subject to Mexican federal tax obligations under the CFF. Article 27 CFF requires that taxpayers notify SAT of changes in fiscal domicile (domicilio fiscal) within 10 business days of the change, and of changes in legal representatives, shareholders, and corporate purpose within 30 business days. The current consolidated text of Article 27 CFF reflects reforms made to address fiscal opacity and RFC misuse — the Reforma Fiscal 2020 specifically strengthened SAT's authority to suspend RFC certificates (suspender sellos digitales) of taxpayers with unresolved address update obligations.

The Servicio de Administración Tributaria (SAT), created under the Ley del Servicio de Administración Tributaria (LSAT) published in the DOF on 15 December 1995 and reporting to the Secretaría de Hacienda y Crédito Público (SHCP), is the federal authority responsible for administering the RFC, issuing digital fiscal stamps (Comprobantes Fiscales Digitales por Internet — CFDI), and enforcing federal tax obligations under the CFF, the Ley del Impuesto sobre la Renta (LISR), the Ley del Impuesto al Valor Agregado (LIVA), and the Ley del Impuesto Especial sobre Producción y Servicios (LIEPS). SAT's Portal del SAT at www.sat.gob.mx provides the e.firma (formerly FIEL — Firma Electrónica Avanzada) digital signature infrastructure used for submitting RFC updates electronically.

The Reglamento del CFF Articles 29 through 31 specify the procedures and required documentation for RFC updates. Article 29 RCFF identifies the categories of changes requiring an aviso — including changes of fiscal address (domicilio fiscal), trade name (nombre comercial), legal representative, corporate bylaws (estatutos sociales), type of fiscal regime (régimen fiscal), and suspension or resumption of activities. Article 30 RCFF specifies the supporting documentation required for each category of change. Article 31 RCFF establishes the timeframes for notifying each type of change — failure to notify within the prescribed period constitutes an infracción fiscal under CFF Article 81 Fraction II, subject to fines under CFF Article 82.

From a practical fiscal compliance perspective, maintaining current RFC data is critical for Mexican taxpayers because: (a) CFDI invoices (facturas electrónicas) issued or received with incorrect RFC data are fiscally invalid and non-deductible under LISR and LIVA; (b) SAT audit notices (visitas domiciliarias) and administrative correspondence are sent to the registered fiscal domicile — notifications sent to an outdated address are legally valid under CFF Article 136 even if the taxpayer never receives them; (c) suspension of the sello digital (digital fiscal stamp) — which prevents the taxpayer from issuing CFDIs — is triggered by SAT under CFF Article 17-H Bis for taxpayers with unresolved address obligations; and (d) inclusion in the SAT's Lista Negra (lista de contribuyentes con operaciones inexistentes — EFOS) is triggered when the registered domicile is false or inactive.

When Do You Need a SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos ante el SAT)?

A SAT Taxpayer Info Update Notice is required whenever a Mexican taxpayer (persona física or persona moral) experiences a change in the registration data held in their RFC record — in compliance with CFF Article 27 and Reglamento del CFF Articles 29–31 notification timeframes.

The notice is needed when a business changes its fiscal domicile (domicilio fiscal) — whether moving offices within the same city or relocating to a different state. Under CFF Article 27 and Reglamento Article 29, the taxpayer must notify SAT within 10 business days of the change of address. SAT audit notices sent to the old unupdated address are legally valid even if undelivered — failure to update creates serious fiscal compliance risks.

The document is required when a company (sociedad mercantil) replaces or adds a legal representative (representante legal) before SAT. Under Reglamento del CFF Article 29 Fraction III, changes of legal representative must be notified within 30 business days, supported by a certified copy of the new power of attorney (poder notarial) granted before a Notario Público. The new legal representative must also be enrolled in the e.firma system.

The notice is necessary when a corporate taxpayer modifies its corporate purpose (objeto social), corporate name (denominación social), or organisational structure through a notarial deed — particularly following corporate mergers (fusiones), spin-offs (escisiones), or capital restructurings that alter the entity's basic SAT registration data. These changes must be reflected in the RFC within 30 business days.

Under CFF art. 27, Reglamento arts. 29–31, and SAT Resolución Miscelánea Fiscal, any Mexican taxpayer whose RFC registration data is no longer accurate must promptly file an Aviso de Actualización to avoid fiscal penalties under CFF Article 82, CFDI invalidity, and SAT digital stamp suspension that could halt all invoicing operations.

What to Include in Your SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos ante el SAT)

A valid SAT Taxpayer Info Update Notice Mexico under the CFF, its Reglamento, and SAT administrative rules must contain the following elements to be processed by SAT and update the RFC record effectively:

Taxpayer Identification: Full legal name (nombre completo or denominación social), RFC (with homoclave), CURP for physical persons, registered fiscal domicile before the update, and the taxpayer's registered email address and SAT portal account. The RFC with homoclave is the primary identifier across all SAT systems and must match exactly across all update documentation.

Type of Update Being Notified: Clear identification of the category of change — fiscal domicile (domicilio fiscal), legal representative (representante legal), corporate purpose (objeto social), corporate name (denominación social), phone number or email (datos de contacto), fiscal regime (régimen fiscal), or suspension/resumption of activities (suspensión/reanudación de actividades). The Resolución Miscelánea Fiscal establishes the Ficha de Trámite applicable to each category of update, specifying the documents required.

New Data Being Registered: Complete and accurate new data for each field being updated — new fiscal address with full street, building number, colonia, municipio, estado, código postal; new legal representative's full name, RFC, and power of attorney reference; updated corporate purpose text matching the amended escritura constitutiva; or new contact data. The new data must exactly match the supporting documents provided.

Supporting Documentation Reference: Reference to the supporting documents submitted with the update notice — for domicilio changes: official address proof (comprobante de domicilio) such as CFE electricity bill, Telmex phone bill, or IMSS registro patronal document not older than 3 months; for legal representative changes: certified copy of the new poder notarial; for corporate changes: certified copy of the amended acta constitutiva and escritura protocolizada registered in the Registro Público de Comercio.

E.firma and Digital Submission: Confirmation that the notice will be submitted through the SAT Portal (www.sat.gob.mx) using the taxpayer's e.firma (electronic signature) or, for in-person filings, at a SAT Módulo de Servicios Tributarios (taxpayer service centre). Most RFC updates since 2020 are processed exclusively through SAT's online portal system — paper-only notices are no longer accepted for most update categories under the Resolución Miscelánea Fiscal.

Forms-legal.com provides this SAT Taxpayer Info Update Notice Mexico template as a practical reference document. The actual RFC update must be processed through the SAT Portal at www.sat.gob.mx using the taxpayer's active e.firma certificate, following the specific Ficha de Trámite applicable to the update category. Complex updates involving corporate restructuring, cross-border operations, or changes affecting multiple tax obligations should be handled with guidance from a contador público autorizado (CPA) or abogado fiscal familiar with current SAT administrative procedures.

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APA

Forms Legal. (2026). SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos ante el SAT) (Mexico) [Legal document template]. Forms Legal. https://forms-legal.com/mexico/government/tax-forms/sat-taxpayer-info-update-notice-mexico

MLA

"SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos ante el SAT) (Mexico)." Forms Legal, 2026, https://forms-legal.com/mexico/government/tax-forms/sat-taxpayer-info-update-notice-mexico.

BibTeX
@misc{formslegal-sat-taxpayer-info-update-notice-mexico,
  author       = {{Forms Legal}},
  title        = {SAT Taxpayer Info Update Notice Mexico (Aviso de Actualización de Datos ante el SAT) (Mexico)},
  year         = {2026},
  howpublished = {\url{https://forms-legal.com/mexico/government/tax-forms/sat-taxpayer-info-update-notice-mexico}},
  note         = {Free legal document template}
}

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