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Comercial

CFDI

Comprobante Fiscal Digital por Internet — Mexico's mandatory electronic invoicing system, required for all commercial transactions by both individuals and legal entities. Every sale, purchase, payroll payment, and financial transaction in Mexico must generate a CFDI stamped (timbrado) by an authorized PAC (Proveedor Autorizado de Certificacion). Current version: CFDI 4.0 (mandatory since January 2023). Key data elements: UUID (unique 36-character identifier for each invoice), RFC of issuer and receiver (tax identification), tax regime, SAT product/service code (clave de producto — from the SAT catalog, e.g., 40161505 for V-belts), unit of measure (SAT unit code), unit price, subtotal, IVA (16% standard rate), total, payment method (PUE = single payment, PPD = partial/deferred), and CFDI use code (e.g., G03 for general expenses, I04 for equipment and machinery). CFDI must be issued within 24 hours of the transaction. For B2B industrial sales in Mexico: correct SAT product codes and CFDI compliance are essential for customers to deduct the purchase as a business expense — incorrect CFDIs cannot be deducted. Per SAT (Servicio de Administracion Tributaria) regulations and Codigo Fiscal de la Federacion.

What you need to know

  • Comprobante Fiscal Digital por Internet — Mexico's mandatory electronic invoicing system, required for all commercial transactions by both individuals and legal entities.
  • Every sale, purchase, payroll payment, and financial transaction in Mexico must generate a CFDI stamped (timbrado) by an authorized PAC (Proveedor Autorizado de Certificacion).
  • Current version: CFDI 4.0 (mandatory since January 2023).
  • Key data elements: UUID (unique 36-character identifier for each invoice), RFC of issuer and receiver (tax identification), tax regime, SAT product/service code (clave de producto — from the SAT catalog, e.g., 40161505 for V-belts), unit of measure (SAT unit code), unit price, subtotal, IVA (16% standard rate), total, payment method (PUE = single payment, PPD = partial/deferred), and CFDI use code (e.g., G03 for general expenses, I04 for equipment and machinery).
  • CFDI must be issued within 24 hours of the transaction.

Full definition

CFDI, or Comprobante Fiscal Digital por Internet, is Mexico's electronic invoicing system, introduced to streamline tax compliance and enhance transparency in commercial transactions. As of January 2023, the mandatory version is CFDI 4.0, which imposes specific requirements on all individuals and legal entities engaging in sales, purchases, payroll payments, and various financial transactions. Each CFDI must be electronically stamped (timbrado) by an authorized PAC (Proveedor Autorizado de Certificación), ensuring its validity and compliance with the SAT (Servicio de Administración Tributaria). This system not only aids in tax collection but also facilitates the monitoring of economic activities by the Mexican government.

Key components of a CFDI include the UUID, a unique 36-character identifier for each invoice, and the RFC (Registro Federal de Contribuyentes) of both the issuer and receiver, which are critical for tax identification. Additionally, the CFDI must include details about the tax regime, SAT product/service code, unit of measure, unit price, subtotal, IVA (16% standard rate), and total amount. Payment methods must also be clearly stated, indicating whether the transaction is a single payment or a deferred payment. The CFDI use code is essential for categorizing the transaction, such as general expenses or equipment and machinery purchases.

The requirement to issue CFDIs within 24 hours of a transaction emphasizes the urgency and compliance that businesses must adhere to. For B2B industrial sales, accurate SAT product codes and adherence to CFDI regulations are crucial; incorrect CFDIs can lead to significant tax implications, as they cannot be deducted as business expenses. Companies must train their staff to understand the importance of maintaining compliance with the SAT regulations and the Código Fiscal de la Federación to avoid penalties and ensure smooth operations in their financial dealings.

What you need to know

  • What you need to know:
  • CFDI 4.0 is mandatory since January 2023 for all transactions in Mexico.
  • Each CFDI must include a UUID, RFC of both parties, and accurate SAT product codes.
  • Invoices must be issued within 24 hours to comply with SAT regulations.
  • Incorrect CFDIs cannot be deducted as business expenses, impacting financial operations.
  • The VAT rate included in CFDIs is typically 16% unless specified otherwise.

Industrial applications

  • 1Used in all commercial transactions, including sales and payroll payments.
  • 2Essential for B2B transactions in industries such as manufacturing and distribution.
  • 3Facilitates tax deductions for businesses when invoices are correctly issued.
  • 4Enables electronic tracking of economic activities for government oversight.

Common mistakes

  • ✕Failing to obtain the correct SAT product/service codes, leading to tax compliance issues.
  • ✕Not issuing CFDIs within the 24-hour window, risking penalties.
  • ✕Errors in the RFC of either the issuer or receiver, causing invalid invoices.
  • ✕Neglecting to include payment methods, which can confuse transaction records.
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Pro tip

Always verify the SAT product codes before issuing a CFDI to ensure compliance and avoid deduction issues.

Technical standards

  • Código Fiscal de la Federación - Governs tax obligations and invoicing in Mexico.
  • SAT Regulations - Outline the requirements for CFDI compliance and issuance.

Suppliers of industrial products in Mexico

AguascalientesVer Bandas Industriales
Ciudad JuárezVer Bandas Industriales
Ciudad de MéxicoVer Bandas Industriales
GuadalajaraVer Bandas Industriales
Cotiza en tu ciudad

Related terms

Mexican Tax InvoiceComercial
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