1. Mexico’s status
Mexico is a party to the Apostille Convention.
For Chinese documents destined for Mexico, an apostille issued in China replaces consular legalization.
2. The translation requirement
Mexican authorities operate in Spanish. Documents for use before Mexican authorities generally require Spanish translation.
For court and registry purposes, the translation must typically be done by a perito traductor authorised by the Mexican judicial authority. For commercial purposes, a certified translation may suffice, depending on the receiving authority.
Confirm which applies for the specific use. The distinction matters because an unauthorised translation is rejected for court purposes regardless of its accuracy.
3. The customs entry
Mexico operates the TMEC, formerly USMCA, with the United States and Canada. There is no free trade agreement between China and Mexico.
The ordinary certificate of origin is the document, and no preference applies.
Mexico maintains specific import requirements including the pedimento, the customs declaration filed by a licensed customs broker, and compliance with Mexican official standards, the NOMs, for many product categories.
NOM compliance is a substantive requirement: products must be certified against the applicable standard before import. This is not a document produced at shipment.
4. What requires an apostille
Business licence, for registration and tender participation.
Powers of attorney, for representation before Mexican authorities. These require specific formality in Mexico, and the apostilled power of attorney must be registered before it can be used.
Contracts.
Free sale certificates, for product registration with COFEPRIS for health products.
Company registration documents.
Civil documents, including birth, marriage, academic and criminal record certificates.
5. The power of attorney formality
A specific point worth attention. In Mexico, a power of attorney granted abroad must generally be:
Apostilled in the country of origin.
Translated into Spanish.
Registered or protocolized before a Mexican notary or the appropriate registry, depending on the use.
Only after these steps can it be exercised in Mexico.
Exporters who obtain an apostilled power of attorney and assume it is immediately usable discover that the registration step is required.
6. Timing
Apostille issuance is typically a matter of days.
Translation adds time.
Registration or protocolization in Mexico adds further time and must be arranged by the Mexican party.
7. Common errors
Running the consular route
Mexico is a Hague party.
Power of attorney not registered in Mexico
Apostilled and translated, but not protocolized. Not usable.
No Spanish translation
Required.
Assuming NOM compliance is a document
It is a certification requirement for many products, and it precedes import.
Assuming a preferential rate
No China-Mexico FTA exists.
8. What the exporter controls
The commercial documents and their accuracy.
The apostille cycle.
Translation arrangements.
What the exporter does not control: NOM certification, COFEPRIS registration, and the registration of documents in Mexico.
9. A note on trade remedy exposure
Mexico has applied anti-dumping measures to a number of Chinese products, and the number has grown.
For exporters in affected categories, the anti-dumping duty applies regardless of origin documentation. The certificate of origin is not a defence.
Where a product is subject to a measure, the commercial analysis should account for it before pricing.
10. Closing view
Mexico’s documentary process is straightforward under the Convention. The complexity sits in the formalities that follow: translation, protocolization of powers of attorney, NOM certification.
Those are the steps that determine whether a document or product can actually be used.
*This article is based on the Apostille Convention and the consular authentication guidance published by China’s Ministry of Foreign Affairs, updated October 2026. Exporters should confirm requirements with the Mexican receiving authority.*