Guides

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Des étapes claires pour le SAT, les CFDI et les obligations fiscales.

Ces articles sont actuellement disponibles en anglais. Les liens ouvrent la version anglaise.

Financial director correcting inconsistencies in her company's compliance opinion.
Tax Compliance10 min de lecture

SAT Compliance Opinion for Companies 2026: How to Check It and Correct Inconsistencies

SAT compliance opinion for companies in 2026: how to check it, read inconsistencies, and prepare clarifications with evidence.

Jimena Cruz · 22 juil. 2026Lire le guide →
Person in charge renewing the CSD while keeping the business invoicing active.
Electronic invoicing9 min de lecture

SAT Digital Seal Certificate 2026: How to Renew the CSD Without Interrupting Invoicing

SAT Digital Seal Certificate 2026: how to check expiration, renew the CSD, protect files, and prevent invoicing from stopping.

Juan Elizondo · 20 juil. 2026Lire le guide →
Person linking a canceled CFDI with its replacement and receipt.
CFDI10 min de lecture

CFDI Cancellation 2026: Reasons, Replacement, and Receipts You Must Keep

2026 Guide to Canceling CFDI: reasons, replacement, authorization, receipts, and accounting evidence to avoid discrepancies with clients...

Héctor Jasso · 18 juil. 2026Lire le guide →
Professional backing up keys and checking the expiration of their e.firma.
SAT e.firma10 min de lecture

Renew SAT e.firma 2026: requirements, expiration, and backup before it blocks you

Guide to renewing SAT e.firma in 2026: expiration, file backup, appointments, legal representative, and what to check before you need it.

Bryan Carrizalez · 16 juil. 2026Lire le guide →
Fintax video advisor explaining how to remedy a negative compliance opinion.
Tax Compliance12 min de lecture

Negative SAT Compliance Opinion: How to Fix It in 2 Steps

Negative compliance opinion: identify omitted returns, pay outstanding balances, wait 72 hours, and clarify with evidence if the...

Valeria Matoviche · 14 juil. 2026Lire le guide →
Miguel González explaining in a friendly way how to verify a supposed email from the SAT.
Tax Mailbox10 min de lecture

What to Do If You Receive an Email from the SAT? 3 Steps to Verify It Without Falling for Scams

Receiving an email from the SAT doesn't automatically mean a fine or audit: verify its authenticity and confirm the notice within your...

Andrés Chávez · 10 juil. 2026Lire le guide →
Taxpayer and accountant validating a credit balance before requesting a refund.
Guías8 min de lecture

SAT tax refund in Mexico: 2026 review guide

Review a Mexican SAT tax refund before filing: automatic-return rules, FED requests, CLABE ownership, evidence, response periods and...

Valeria Matoviche · 16 juin 2026Lire le guide →