Alerts

At Competimex, we keep you informed about the latest changes in regulations and tax obligations. Our legal and tax alerts section provides you with essential information to ensure your business complies with regulations and optimizes its resources.

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Reforma a la Ley de Amparo: principales cambios y consideraciones.

El pasado 16 de octubre de 2025, fue publicado en el Diario Oficial de la Federación, en su edición vespertina, el decreto que reforma y adiciona diversas disposiciones a la Ley de Amparo, Código Fiscal de la Federación y la Ley Orgánica del Tribunal Federal de Justicia Administrativa.

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SAT da a conocer criterios de programación de auditorías

El Servicio de Administración Tributaria (SAT) dio a conocer los criterios de programación de auditorías que aplicará con el objetivo de fomentar la transparencia y brindar certidumbre jurídica a los contribuyentes.

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Quinta Resolución de Modificaciones a la Resolución Miscelánea Fiscal para 2025.

El Servicio de Administración Tributaria (SAT) dio a conocer la Quinta Resolución de Modificaciones a la Resolución Miscelánea Fiscal para 2025, en su Primera versión anticipada, a través del Portal del SAT.

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Alert.

Nuevo “Monto Transaccional del Usuario” (MTU) en aplicaciones bancarias

A partir del 1 de octubre de 2025, todos los bancos en México deberán habilitar en sus plataformas de banca en línea y aplicaciones móviles la opción para que los usuarios configuren un límite personalizable de operaciones, denominado Monto Transaccional del Usuario (MTU), conforme a lo establecido por la Comisión Nacional Bancaria y de Valores (CNBV) en la Circular Única de Bancos.

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Alert 01.

General Guidelines for the Operation of the IMSS Mailbox

On August 5, 2024, agreement ACDO-AS2.HCT.230724/261.P.DIR. of the H. IMSS Technical Council, which approves the guidelines for the operation of the IMSS Mailbox, is published in the Official Gazette of the Federation.

Obligation: Enable the IMSS mailbox within 180 days from publication in the Official Gazette of the Federation.
Electronic Notifications: The authority may notify administrative acts electronically.
Notification Deadline: The notification will be deemed to have been made within 3 business days of receipt, and will subsequently be deemed to have been notified automatically.
Electronic Procedures: Procedures initiated electronically must be completed electronically.

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Alerts

At Competimex, we keep you informed about the latest changes in regulations and tax obligations. Our legal and tax alerts section provides you with essential information to ensure your business complies with regulations and optimizes its resources.

General Guidelines for the Operation of the IMSS Mailbox

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