Key Features for Mexican Invoicing Compliance
Choosing an invoicing app for Mexico requires prioritizing features that ensure strict adherence to local tax regulations. The core requirement is CFDI 4.0 compliance, which is the mandatory XML format for all electronic invoices, including payroll CFDIs, and has been exclusively enforced since January 1, 2023. Your chosen app must facilitate the generation of these documents, incorporating essential details like the exact legal names, correct postal codes, and validated RFCs of both sender and receiver. Crucially, the app needs seamless integration with SAT (Servicio de Administración Tributaria), the Mexican tax authority, for real-time validation. This process involves automated stamping through a PAC (Proveedor Autorizado de Certificación), an authorized third-party provider that digitally signs and certifies your invoices before they are considered legally valid. Additionally, look for support for mandatory "complementos" for specific transactions, such as payroll, foreign trade, or payment receipts. Finally, the app should ensure secure storage of CFDI XML files for the legally mandated five-year retention period.