Mexico Immigration & Expat Glossary 2026

Every key Mexican immigration, tax, real-estate and daily-life term explained in plain English, with links to full guides. Free reference for expats.

Immigration & Documents

INM

Instituto Nacional de Migración — the National Immigration Institute that issues and renews resident cards and processes the canje.

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FMM

Forma Migratoria Múltiple — the tourist migration form filled on entry, allowing a stay of up to 180 days.

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Канхе / Canje

Exchanging the resident visa obtained at a consulate for a resident card at INM within 30 days of entry.

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SAE

The electronic entry authorization for citizens of Russia, Ukraine and Turkey without a US/EU visa; issued online.

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Residente Temporal

Temporary residency for 1–4 years, renewable, optionally with work rights.

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Residente Permanente

Permanent residency — indefinite, with full work rights and a path to citizenship.

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CURP

Clave Única de Registro de Población — the unique population ID needed for banks, taxes and services.

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SRE

Secretaría de Relaciones Exteriores — the Foreign Ministry, which handles citizenship and apostilles.

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Наturalización / Naturalization

Acquiring Mexican citizenship after 5 years of residency (2 with a spouse or child) with an exam.

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Перито традуктор / Perito traductor

A certified sworn translator whose translations are accepted by Mexican authorities.

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Taxes & Business

RFC

Registro Federal de Contribuyentes — the tax ID; without it you cannot invoice, open a business account or pay taxes.

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SAT

Servicio de Administración Tributaria — Mexico’s tax authority.

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RESICO

A simplified tax regime for individuals earning up to 3.5M pesos: ISR of just 1–2.5% on revenue.

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IVA

Impuesto al Valor Agregado — value-added tax, standard rate 16%.

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ISR

Impuesto Sobre la Renta — income tax; 30% for companies, progressive or RESICO for individuals.

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CFDI

Comprobante Fiscal Digital — the mandatory electronic invoice validated through SAT.

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S.A. de C.V.

Sociedad Anónima de Capital Variable — a stock corporation; a common Mexican company type.

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e.firma

The SAT digital signature required to register a company and file taxes.

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Real Estate & Construction

Фидеикомисо / Fideicomiso

A bank trust giving a foreigner full ownership rights over property in the 50-km coastal zone.

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Zona restringida

The restricted zone: 50 km from the coast and 100 km from the border, where foreigners own via fideicomiso.

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Notario / Нотариус

A public notary, a mandatory party to any Mexican real-estate transaction.

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Escritura

The notarized property deed (title).

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ISAI

Impuesto Sobre Adquisición de Inmuebles — property acquisition tax, 2–4% of value.

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Ejido

Communal government land that cannot be legally sold to foreigners — a common source of scams.

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Predial

The annual Mexican property tax, among the lowest in the world.

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DRO

Director Responsable de Obra — the licensed architect who approves the design for a building permit.

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Everyday Life

IMSS

Instituto Mexicano del Seguro Social — the public healthcare system; residents can enroll for an annual fee.

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CLABE

The 18-digit bank account number for domestic transfers via the SPEI system.

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Colonia

A city neighborhood/district — used in Mexican addresses.

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Aval

A guarantor for long-term rentals; often replaced by prepayment.

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Propina

A tip; 10–15% is standard in restaurants.

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Visitax

The Quintana Roo tourist fee (~$11 per person), paid online.

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