Mexico SAT Fiscal Address in 2026: Geolocation, Verification, and Change Notice
A Mexican fiscal address must meet the legal definition and make the taxpayer locatable; procedure 35/CFF alone cannot repair a...
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Focused updates on rules, reforms and relevant tax movements for individuals and companies in Mexico.
Mexico Tax Discrepancy in 2026: When Card Spending Exceeds Reported Income
Mexico's SAT can compare annual card spending, purchases, and deposits with reported income, but an apparent difference must be notified...
SAT Extra Filing Days by the Sixth RFC Digit: Mexico's 2026 Table and Exclusions
SAT still provides one to five extra business days for certain monthly federal returns based on the sixth numeric RFC digit, but the...
October 2026 Tax Calendar: SAT, IMSS, and Closing Obligations
Prepare October 2026 with individual obligations, responsible parties, internal cutoffs, official sources, and compliance files.
Third Quarter 2026 Close: Preventive Accounting and Tax Checklist
Use the third quarter close to reconcile banks, CFDI, accounts receivable, inventory, payroll, taxes, and annual projection.
REPSE 2026: Simplified Requirements for Companies and Controls That Remain
The REPSE 2026 simplification may reduce requirements for certain companies but does not eliminate validity, specialization, or compliance.
SAT List 69-B: What to Do If a Supplier Appears in the Query
If a supplier appears in the 69-B query, confirm status and date, identify affected CFDIs, and gather evidence of materiality.