- Brazil’s Technical Note 2026.004 v1.01 updates NF-e and NFC-e systems to support the new alphanumeric CNPJ format.
- The change adapts XML schemas, access keys, and multiple invoice fields from numeric-only to alphanumeric, affecting models 55 and 65 and related web services.
- It also updates several NF-e services, including authorization, consultation, distribution, cancellation, EPEC, events, and inutilization.
- Testing is expected by June 15, 2026, with production scheduled for July 1, 2026.
- Businesses, software vendors, and ERP systems must ensure they can validate and process alphanumeric CNPJs correctly.
Source: fiscal-requirements.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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