SAT releases updates to the CFDI 4.0 Catalog: what to consider for 2026

On December 31, 2025, Mexico’s Tax Administration Service (SAT) published an update to the CFDI 4.0 Catalog, introducing relevant changes to several catalogs and records that directly impact electronic invoicing processes.

Below is a summary of the main changes and their scope.

Key changes in the CFDI 4.0 Catalog

c_ClaveProdServ

Type of change: Description update

Code: 93141710
Before: “Services of archaic or indigenous languages”
Now: “Services of indigenous languages or languages in disuse”

This adjustment corresponds solely to a change in the descriptive text.

c_TasaOCuota

Type of change: Record update

Previous maximum value: 69.5255
New maximum value: 72.1605
Effective date: January 1, 2026

c_NumPedimentoAduana

Type of change: Mass additions

Records added: 3,918
Records deleted: 0
Records modified: 0
Effective date: January 1, 2026

The new records are distributed across several customs offices, with some of the most representative codes being 24, 47, 80, 85, 07, and 514, among others.

When do these changes take effect?

The updates became effective as of their publication on the SAT website, that is, December 31, 2025.

Is your invoicing system already aligned with these SAT updates?

At LLB Solutions, we help you validate and update your CFDI processes to ensure tax compliance and avoid operational issues.
Contact us and get ready to operate smoothly in 2026.

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