CURP and RFC newcomer registration in Mexico

Document Checklist

Documento migratorio vigente Documento migratorio vigente Form: Original — Tarjeta de Residente Temporal, Tarjeta de Residente Permanente, Tarjeta de Visitante con permiso para realizar actividades remuneradas, or the INM/COMAR application receipt where the underlying procedure is still open.Required for: RFC inscripción at SAT; the documento migratorio vigente also serves as the identificación oficial for foreigners. Tourist conditions of stay do not satisfy the documento migratorio vigente requirement — RFC inscripción cannot proceed.
Clave Única de Registro de Población (CURP) CURP Form: 18-character alphanumeric code, printed on the Constancia CURP. Standard CURP for INM-card holders; Constancia Temporal CURP for foreigners with an in-progress INM or COMAR application.How to obtain: Standard CURP is generated at the time the INM card is issued. Constancia Temporal CURP is requested at the same INM module or COMAR module where the migratory procedure is being processed. Verified by SAT directly from the RENAPO registry at RFC inscripción — no separate paper presentation required.
Comprobante de domicilio Comprobante de domicilio Form: Original. Utility bill, extracto bancario, predial receipt, IMSS liquidation, rental or service contract, bank-account opening document, or carta de residencia.Antiquity: Not older than four months at the date of the SAT appointment. SAT applies the four-month antiquity rule strictly; an older comprobante is rejected at the in-branch verification.
Identificación oficial vigente Identificación oficial vigente Form: Original. Credencial para votar, pasaporte, or cédula profesional for Mexican-issued identification.For foreigners: The documento migratorio vigente itself satisfies the identificación oficial requirement at SAT.
Poder notarial para actos de representación legal Poder notarial Form: Original or certified copy.When required: Only if a legal representative is acting on behalf of the applicant at SAT.
Número de identificación fiscal del extranjero Foreign tax identification number Form: Certified and legalised documentation of the applicant's tax-identification number issued by another country.When required: Applicants with significant cross-border income or foreign-residing applicants may be asked for this document at SAT. Bring this documentation if it exists, even if uncertain whether it will be needed.

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