How to Obtain Your SAT e.firma for the First Time: Requirements, Appointment, and Files to Keep
Guide to obtaining your SAT e.firma for the first time: requirements, appointment, biometrics, .cer and .key files, recovery, and secure...
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Creditable VAT in Mexico: Requirements, CFDI, and Proof of Payment
To credit VAT in Mexico you need more than an XML: review the transaction, CFDI, payment, record, and period before including it in the...
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.
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.
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...
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.
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...