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Clear steps for SAT, CFDI, and tax obligations.

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

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 · Jul 22, 2026Read guide →
Fintax video advisor explaining how to remedy a negative compliance opinion.
Tax Compliance12 min read

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 · Jul 14, 2026Read guide →
Freelancer reviewing and correcting an individual tax-compliance status with an advisor.
Guías7 min read

SAT tax compliance opinion for individuals: 2026

Check a Mexican SAT tax compliance opinion for an individual, understand its result and 30-day validity, and correct or clarify...

Jimena Cruz · May 31, 2026Read guide →
Entrepreneur asking an advisor key questions about registration, invoicing, and compliance.
Guías6 min read

SAT, RFC and CFDI questions for Mexican SMBs

Answers for Mexican SMBs about RFC registration, tax regimes, e.firma, CSD, CFDI 4.0, monthly filings, the Tax Mailbox and SAT records.

Jimena Cruz · Apr 22, 2026Read guide →