SAT Updates CFDI 4.0 Catalogues: Changes Effective as of January 30, 2026

Mexico’s Tax Administration Service (SAT) announced that on January 29, 2026, an update was made to the CFDI version 4.0 catalogues, which will take effect as of January 30, 2026.

This update is relevant for companies that issue Digital Tax Receipts via the Internet (CFDI), as it directly impacts the validation of certain data used in electronic invoicing processes.

What are the main changes?

As part of this update, the SAT made modifications to catalogues related to postal codes, specifically to the following catalogue:

• c_NumPedimentoAduana

It is important to note that no changes were made to the XSD schemas, meaning the update is limited exclusively to catalogue records.

Updated records

A total of 9 records were updated within the c_NumPedimentoAduana catalogue, corresponding to the following details:

When do these changes apply?

The changes to the CFDI catalogues are mandatory as of January 30, 2026. Therefore, it is essential to ensure that invoicing systems are updated and aligned with this new version.

Is your invoicing system aligned with these changes?

At LLB Solutions, we help you keep your electronic invoicing compliant and up to date with local tax regulations in each country.

Learn more about our electronic invoicing and country localization solutions
Or contact us for personalized advice: info@llbsolutions.com | Localization Mexico