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SYNAPSE 2026: Register for Fonoa’s annual tax conference

6 min read

Regulatory updates

Mexico delays mandatory start date of the new e-invoice format CFDI 4.0

It will begin on April 1st, 2023, not January 1st, 2023, as originally planned. Fonoa can get you prepare for the new deadline. Learn more in our article.

Agustín Trevisiol

Tax Researcher

Published

Nov 3, 2022

Last update

May 12, 2025

Overview

Mexico’s Tax Administration Service (SAT) delays the implementation of the new e-invoice CFDI 4.0. It will begin on April 1st, 2023, not January 1st, 2023, as originally planned.

As of now, the confirmed delay applies to 'payroll' invoices (CFDI 4.0 de nomina).

How can Fonoa help?

Get in touch to learn how Fonoa can help you prepare for the new deadline.

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SYNAPSE 2026: Where Tax Meets Intelligence

Date: February 24, 2026 — 9:00 AM GMT
Location: London, UK

Join your peers at Fonoa’s annual conference. A day for tax, payments, and finance leaders to learn and network, coming to international locations in 2026.

Agustín Trevisiol

Tax Researcher

Agustin Trevisiol is a Tax Researcher at Fonoa. Prior to his work at Fonoa, he acted as a Consultant at a VAT Compliance company. He joined Fonoa because he believes the product is unique. He’s based in Amsterdam.