Recently, more and more Mercado Libre sellers have been receiving tax-related notifications from the platform, involving requirements such as e.firma digital certification and CFDI electronic invoicing.

For sellers using local Mexican accounts and operating as Mexican companies, tax compliance is becoming a critical part of platform operations.

In the past, some sellers may not have promptly completed their tax information due to the platform’s relaxed review. However, as Mexico’s tax enforcement continues to tighten, Mercado Libre is gradually pushing sellers to close the loop on their tax information.

1. If Verification Fails, Complete e.firma Digital Certification

1. What is e.firma?

e.firma (electronic signature) is a digital identity authentication tool recognized by Mexico’s tax authority SAT, used for tax-related operations and electronic signing.

In simple terms: RFC tax ID = the company’s tax identity, and e.firma = the digital key for handling tax matters online. Both must be used together.

2. Why does Mercado Libre require e.firma?

For accounts that have not yet completed tax verification, Mercado Libre is strengthening its tax document review. Before submitting an RFC tax ID, sellers must confirm that the RFC status is normal, the company’s tax information is complete, and the conditions for applying and verifying e.firma are met.

If the RFC cannot meet e.firma verification requirements, the submitted information may still fail the platform review.

In its tax features, Mercado Libre also requires sellers to have a valid RFC, tax registration certificate, and e.firma to enable electronic invoicing functionalities.

2. Mercado Libre Pushes CFDI E-invoicing Compliance

In addition to RFC e-signature verification, many sellers have recently found that the backend prompts they cannot issue sales invoices for some products due to missing tax data. Sellers are required to supplement SAT keys, units of measurement, and tax information (IVA value-added tax / ISR income tax).

1. What is CFDI?

CFDI (Comprobante Fiscal Digital por Internet) is Mexico’s official electronic invoicing system. Simply put, it is similar to China’s VAT electronic invoice. It is a transaction certificate recognized by the SAT, used to document sales revenue, tax calculations, and business records.

2. Why is Mercado Libre now requiring CFDI?

Previously, Mercado Libre did not strictly enforce invoice requirements for some sellers. However, with the standardization of Mexico’s e-commerce market and stronger SAT tax oversight, the platform is pushing sellers to complete their sales invoicing system.

Going forward, sellers will need not only to sell goods but also to ensure sales records, tax information, and invoice compliance.

3. What product information needs to be completed?

If a product cannot generate a CFDI invoice, check the following:

① SAT product classification code: Each product must correspond to the product classification in the Mexican tax system.

② Unit of measurement: e.g., piece, kilogram, meter, set, which must comply with Mexican tax standards.

③ Tax rate information: including IVA (value-added tax), typically 16% in Mexico, and ISR (income tax), calculated based on the seller’s entity and tax status.

3. Which sellers are most affected?

The biggest impact of this tax verification upgrade is not on sellers operating normally with a complete tax system, but on accounts that previously relied on low-cost affiliations and incomplete documentation.

In particular, the following types of tax IDs are likely to encounter problems during this verification. Sellers can perform a self-check in advance:

1. Shell entities with only tax ID documents but no e.firma authorization

Some sellers obtained an RFC tax ID in the past only to bind their platform account; they have the RFC document and tax registration information but have not completed e.firma digital certification.

Such entities cannot complete subsequent tax authorization and related verification processes, which may easily lead to platform review failure.

2. Entities with long-term zero filings and abnormal tax status

Some sellers did not maintain their Mexican entities after registration, resulting in long-term non-filing, abnormal tax status, outdated company information, and no real business records.

Although they may have been able to bind their Mercado Libre account before, the risk of subsequent re-verification is increasing as the platform strengthens tax checks.

3. Tax IDs affiliated under an individual identity without proper corporate registration

There are also sellers who use tax IDs not belonging to their own entity, affiliated under a personal identity, or RFCs obtained through irregular channels. The biggest problem with such tax IDs is that the entity’s authenticity cannot be matched, tax documents cannot be invoiced or closed-loop, and subsequent filings cannot be maintained in the long term.

Binding may be possible in the short term, but long-term operational risks are high.

4. What should sellers do now?

1. If RFC has not been uploaded yet, first confirm whether the tax ID supports e.firma verification

New sellers preparing to join Mercado Libre Mexico should not rush to submit their RFC. It is recommended to confirm in advance that the RFC is valid, meets e.firma certification conditions, and that the entity’s tax status is normal.

Submit for platform review only after confirmation, to avoid repeated rejections due to document issues that could delay the store launch.

2. If RFC has been submitted but review failed, prioritize checking tax ID qualifications

If the RFC has already been uploaded but verification fails, with data mismatches or inability to complete tax certification, do not submit repeatedly. First check whether the RFC entity is legitimate, e.firma certification is complete, and the tax status is normal.

After identifying the issue, replace with a qualified tax ID and resubmit.

3. Even after passing verification, maintain long-term tax compliance

Passing the platform review is only the first step. Operating locally in Mexico requires ongoing maintenance of monthly tax filings, RFC status, updated company information, and compliant sales data records.

Otherwise, subsequent platform re-examinations may still affect the stable operation of the account.

Final Thoughts:

As Mercado Libre continues to strengthen its localized operations in Mexico, the platform’s requirements for sellers will increasingly align with local corporate standards.

Having a compliant Mexican operating entity will become the foundation for sellers’ long-term development.

That’s the content shared by Yiju Overseas. Feel free to leave comments and discuss below!