Keep your Mexican entity's domicilio fiscal verifiable by SAT and its domicilio social current at the Public Registry, so a routine address change never triggers a no localizado status or a blocked digital seal.
Address Change Filing Deadline
10 business days (SAT)
Tax ID
RFC
Primary Registry
SAT
A Mexican entity maintains two separate address records that can legally differ: the domicilio social set in the escritura constitutiva and registered with the Registro Público de Comercio, and the domicilio fiscal registered with SAT under the RFC for tax purposes. SAT requires a comprobante de domicilio no older than 4 months, a CFE electricity bill, water bill, landline phone bill, bank statement, or predial receipt, and accepts virtual offices and coworking addresses only when they provide real physical infrastructure and staff able to receive SAT notifications and verification visits. SAT runs physical verification visits, including within 90 days of any address change, and a failed visit results in no localizado status, which invalidates CFDIs, can suspend the digital seal certificate, and can freeze bank accounts. Any address change must be reported to SAT within 10 business days, or 5 days in advance if the entity is under active audit, while a change to the domicilio social requires a notarized deed amendment and separate inscription at the Registro Público de Comercio, a process that runs 2 to 4 weeks and is never automatically synchronized with the SAT filing.
Domicilio fiscal registered with SAT under the RFC, legally distinct from the domicilio social set in the escritura constitutiva and registered with the Registro Público de Comercio
Comprobante de domicilio no older than 4 months on file, a CFE electricity bill, water bill, landline phone bill, bank statement, or predial receipt, since cell phone bills are not accepted
Virtual office or coworking address accepted only when it provides real physical infrastructure and staff able to receive SAT notifications and verification visits, not a mailbox-only arrangement
Aviso de Cambio de Domicilio Fiscal filed with SAT within 10 business days of any relocation, or 5 days in advance if the entity is under active audit
Domicilio social change requiring a notarized deed amendment and separate inscription at the Registro Público de Comercio, a 2 to 4 week process never automatically synchronized with the SAT filing
SAT's verification visits target the address itself, not just the paperwork on file. A virtual-office provider without real reception capacity able to confirm the company's presence can get an entire roster of client companies flagged no localizado at once.
Updating SAT after a move is a portal filing most companies handle promptly. Updating the domicilio social in the bylaws requires a notary and a Registro Público de Comercio inscription, a step that gets forgotten, leaving a legal mismatch that surfaces later in due diligence, bank KYC, or an M&A process.
A routine office relocation can quietly blow past the 10-business-day filing deadline. SAT's 2026 shift toward immediate, no-warning digital seal blocking for entities with a flagged risk profile means a lapsed filing can halt invoicing company-wide with no advance notice.
Coordination of a verifiable registered address that satisfies both SAT's verification visits and the Registro Público de Comercio's domicilio social requirements
Filing of the Aviso de Cambio de Domicilio Fiscal with SAT within the 10-business-day window whenever the entity relocates
Coordination of the notarized domicilio social amendment and Registro Público de Comercio inscription when the bylaws' registered address also needs to change
Mail handling and on-site presence sufficient to pass SAT verification visits, avoiding no localizado status and digital seal suspension
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