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.

A Mexican property host checks a reservation report while holding a key.
Guides4 min de lecture

Rentals and Airbnb: classify the transaction before deducting

The actual activity determines the tax treatment. Residential rentals and platform-mediated lodging follow different deduction and...

Cassandra Torres · 26 oct. 2026Lire le guide →
A Mexican payroll specialist compares pay receipts with salary contribution records.
Payroll5 min de lecture

How to correct an understated contribution base with IMSS

Agreed wages, net bank payments and the IMSS contribution base are different figures. Reconciliation by period helps identify...

Andrés Chávez · 25 oct. 2026Lire le guide →
A Mexican landlord reviews a repair invoice beside a house key.
Rental income5 min de lecture

Rental property expenses: what to deduct before comparing the 35% option

A cash payment is not automatically a deduction. Classifying repairs, improvements and mortgage payments makes a meaningful comparison...

Valeria Matoviche · 24 oct. 2026Lire le guide →
A Mexican professional reviews registration records on a laptop at a small desk.
Guides5 min de lecture

Independent services: what to update if you already have a salary RFC

Starting independent services with an RFC already registered for salary income calls for reviewing and updating activities and...

José Miguel González · 23 oct. 2026Lire le guide →
A Mexican business owner reviews a calendar and accounting documents to prioritize pending work.
Accounting5 min de lecture

Urgent accounting review: what to check first when several warning signs appear

An urgent review must distinguish official acts, operational failures and unidentified transactions. Priority depends on a verified...

Valeria Matoviche · 22 oct. 2026Lire le guide →
A Mexican business owner reviews a tax assessment with a slim case folder and paper documents.
Tax decisions5 min de lecture

SAT tax assessment: decide what to pay and what to challenge by item

A resolution assessing tax debt calls for separate decisions on payment, challenges and security. Evidence of an earlier payment must be...

José Miguel González · 20 oct. 2026Lire le guide →
A Mexican employer checks an employee's registration record beside a safety helmet.
Social security4 min de lecture

Workplace accident without IMSS registration: what to address first

Registration submitted after an accident does not eliminate the liability established in Article 77 of Mexico's Social Security Law....

José Miguel González · 17 oct. 2026Lire le guide →