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Understand it before you decide

Tax residency, the RFC, buying property, retiring here and dealing with the Mexican tax authority. Written by the people who file these cases, not by content farms.

Tax

Mexico tax residency for expats: when do you actually owe tax?

The 183-day rule is a myth here. What decides it is article 9 of the Federal Tax Code: your home and your centre of vital interests.

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Paperwork

RFC for foreigners: the Mexican tax ID you'll end up needing

What the RFC is, who needs one, the documents required, and why the appointment is the hard part.

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Property

Buying property in Mexico as a foreigner

The restricted zone, how a fideicomiso really works, what it costs to run, the taxes, and the two traps that cost buyers money.

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Retirement

Retiring in Mexico: residency, Social Security and taxes

The residency route retirees use, why Mexico doesn't tax your Social Security, healthcare options and Medicare.

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International

Working remotely from Mexico: getting your tax and visa status right

Visitor permit or residency, when you become a tax resident, the RFC, the right regime and double taxation treaties.

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Accounting

RESICO 2026: complete guide to Mexico's simplified tax regime

Rates of 1% to 2.5%, income limits, who qualifies including foreign residents, and the mistakes that get you excluded.

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Company formation

How to open a company in Mexico: S.A.S. vs S.A. de C.V.

The three company forms compared with real costs, the steps, foreign shareholders and the foreign investment registry.

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Dual citizenship

Mexican citizenship by descent for people born in the US

Article 30, the 2021 reform, who qualifies, documents, consulate or Civil Registry, and what it means for tax.

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Amparo

Amparo in Mexico 2026: what it is, types, deadlines and suspension

The constitutional lawsuit explained in English: the 15-day deadline, suspension and the October 2025 reform.

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Pricing

How much does an amparo cost in Mexico? Real prices 2026

Market fee ranges, the three fee structures, hidden costs and how to spot an inflated quote.

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Tax defense

The SAT blocked my digital seals (CSD): what to do today

Article 17-H Bis: the 40-day clarification, restoration the next day and when amparo applies.

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Tax defense

The SAT's Buzón Tributario: what it is and why you must check it

The electronic mailbox where SAT notices arrive and deadlines run whether you open it or not.

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Also in Spanish and Russian. Every guide is available in three languages — use the language switch at the top of any article, or browse the Spanish guides and the Russian guides.

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