SAT updates CFDI version 4.0 catalogs

On May 21, 2026, the Tax Administration Service (SAT) of Mexico published a new update related to the CFDI version 4.0 catalogs, specifically focused on adjustments within the catalogs used in foreign trade operations.

This CFDI 4.0 SAT catalogs update does not modify the technical structure of the fiscal invoice, but it does introduce relevant changes to the allowed values within certain catalogs, directly impacting data validation in electronic invoicing processes.

You can consult official information on the SAT portal:
SAT Mexico

CFDI 4.0 SAT catalogs: what changes in this update?

The CFDI catalogs update focuses on the c_NumPedimentoAduana catalog, which contains codes used to identify foreign trade operations.

In this update:

• New records are added to the catalog
• Customs and customs broker combinations are updated
• There are no changes to the CFDI XSD schemas

CFDI 4.0 SAT catalogs in c_NumPedimentoAduana

A total of 14 new records are added, including combinations of:

• Customs code (c_Aduana)
• Customs broker (patente aduanal)
• Fiscal year
• Quantity
• Effective start date

Examples of included records:

• 11 / 1910 / 2026 / 999999 / 22-05-2026
• 16 / 1158 / 2026 / 999999 / 22-05-2026
• 23 / 1776 / 2026 / 999999 / 22-05-2026
• 42 / 1770 / 2026 / 999999 / 22-05-2026
• 85 / 6150 / 2026 / 999999 / 22-05-2026

This type of adjustment ensures greater accuracy in the validation of import and export operations within CFDI.

Update in the c_PatenteAduanal catalog

Additionally, one new record is added:

• Customs broker code: 6181
• Effective start date: 23-01-2026

Effective date of this update

This SAT modification for CFDI comes into effect on:

May 22, 2026

From this date onward, electronic invoicing systems must take these new values into account to avoid rejections or inconsistencies in CFDI validation.

For general reference about CFDI structure, you can consult:
SAT CFDI official information

Business impact

Although this is a specific update, it may have important implications:

• Adjustments in ERP system validations
• Review of foreign trade configuration processes
• Prevention of errors in CFDI issuance

Keeping systems updated is essential to ensure tax compliance and avoid operational rejections.

At LLB Solutions, we help companies keep their systems aligned with every CFDI catalogs update, especially within Microsoft Dynamics 365 Business Central, ensuring continuous compliance across Mexico and Latin America.

If your company needs support for this update, our team can help you:

• Validate tax configurations
• Adjust catalogs in Business Central
• Prevent CFDI issuance errors
• Maintain real-time compliance with SAT

Don’t wait until your invoicing starts generating rejections.

Contact us today and ensure your operation is ready for the CFDI 4.0 SAT catalogs update without interruptions.

info@llbsolutions.com | Mexico Localization