Category Archives: Mexico

Technical Alert: New Mandatory Requirements for the DTE Transmission System

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The Ministry of Finance has confirmed that, starting December 1, 2025, new provisions will take effect that directly impact the transmission process of Electronic Tax Documents (DTE). These updates aim to strengthen the accuracy and traceability of the events reported by taxpayers. Key Updates Announced Updated validations for invalidation events New verification rules will be […]

Tax Updates: Recent Changes to the CFDI 4.0 Catalogs

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The Tax Administration Service (SAT) announced on November 20, 2025, an update to the catalogs used in the CFDI 4.0 version. This adjustment is part of the ongoing changes the authority implements to keep information related to customs, licenses, and foreign trade operations up to date. What changed in this update? The modification consists of […]

CFF Reform 2026: What You Need to Know About the New CFDI Requirements

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On November 7, 2025, a significant amendment to the Federal Fiscal Code (CFF) was approved, directly impacting how taxpayers issue and substantiate Digital Tax Receipts (CFDI). Starting January 1, 2026, a mandatory requirement will be introduced to demonstrate the reality of the transactions documented in the CFDI, along with a faster audit procedure and expanded […]

New SAT Update to CFDI 4.0 Catalogs: What Businesses Need to Know

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The Tax Administration Service (SAT) continues to strengthen Mexico’s electronic invoicing ecosystem with a new update to the CFDI version 4.0 catalogs, published on October 2, 2025. This update aims to improve accuracy in customs processes and keep patent and validity information current within electronic tax receipts. What Does This Update Include? The new release […]

New SAT Updates in CFDI 4.0 Catalogs: Mandatory Changes Starting September 2025

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On September 3, 2025, the Mexican Tax Administration Service (SAT) announced an update to the CFDI version 4.0 catalogs, introducing significant changes that will take effect on September 5, 2025. Key changes published by the SAT New catalog entries: 10 new entries were added to c_Aduana, Patente, Ejercicio, and Start Date of Validity. New customs […]

Electronic Invoicing in Mexico: Simplify Your Business with Business Central

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Issuing and managing CFDI in Mexico can be complex, especially when handling multiple documents and fiscal complements.With LLB Solutions’ Electronic Invoicing for Mexico, you can automate the entire process directly from Dynamics 365 Business Central, ensuring compliance with SAT regulations and improving your finance team’s efficiency. What Our Solution Offers Automatic issuance and stamping of […]