- Mexico’s Rule 2.9.21 requires digital service providers and marketplaces to give the tax authority (SAT) permanent, real-time online access to granular transaction data.
- The mandate takes effect April 1, 2026, with platforms required to provide SAT with login credentials and technical documentation by April 30, 2026.
- Data must be transaction-level, searchable, available within a day, and retained for up to five years; requirements differ for direct service providers and marketplaces.
- Marketplaces must also provide seller identities, tax IDs, payout accounts, and detailed withholding information.
- Key challenges include evolving regulatory guidance, lack of detailed technical specifications, and the need for adaptable data architecture.
Source: fonoa.com
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Briefing Document: Electronic Invoicing and Real-Time Reporting in Mexico (CFDI) – VATupdate
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