Guides

Comprenez vos impôts.
Prenez de meilleures décisions.

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.

Taxpayer and accountant organizing a late return with acknowledgment and payment slip.
SAT Returns9 min de lecture

Late Filing with the SAT: Penalties, Surcharges, and How to Regularize

Filing a late return requires reconstructing the period, calculating accessories, and documenting whether compliance was voluntary or...

Andrés Chávez · 14 août 2026Lire le guide →
Business owner preparing employer registration and file for the first employee.
IMSS12 min de lecture

IMSS Employer Registration: What to Do Before Hiring Your First Employee

Before hiring your first employee, prepare employer registration, work risk classification, employee file, IMSS registration, and payroll.

Cassandra Torres · 12 août 2026Lire le guide →
Analyst calculating ISR and VAT withholdings for fees and rent.
Withholdings12 min de lecture

ISR and VAT Withholdings When Paying Fees or Rent

Before paying fees or rent, identify the parties, concept, base, and obligations to correctly calculate and remit withheld ISR and VAT.

Héctor Jasso · 8 août 2026Lire le guide →
Landlord reviewing contract, CFDI, and tax returns for a property.
Leasing13 min de lecture

Leasing for Individuals: ISR, IVA, CFDI, and Tax Returns

Guide to managing ISR, IVA, CFDI, withholdings, and deductions when an individual rents out a home, commercial space, warehouse, or office.

José Miguel González · 4 août 2026Lire le guide →
Online merchant reconciling platform sales, fees, withholdings, and bank deposits.
Digital Platforms13 min de lecture

Taxes for Selling on Digital Platforms, Apps, or Your Own Store

Selling on marketplaces or apps requires separating gross sales, commissions, withholdings, returns, and deposits before invoicing and...

Jimena Cruz · 29 juil. 2026Lire le guide →
Entrepreneur preparing an appointment folder and secure storage for a first SAT e.firma.
SAT e.firma12 min de lecture

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...

José Miguel González · 27 juil. 2026Lire le guide →
Accountant validating CFDI, payment, and evidence before crediting VAT.
VAT12 min de lecture

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...

Cassandra Torres · 24 juil. 2026Lire le guide →