- Brazil will introduce a new alphanumeric CNPJ format in July 2026, replacing the current 14-digit numeric structure to expand available business identification combinations.
- Companies must update databases, validation rules, POS systems, and electronic invoicing systems to support letters in the CNPJ.
- The change affects electronic tax documents (NF-e, NFC-e, CT-e, NFCom, NF3e, NFS-e), requiring updates to validation rules and document layouts.
- Businesses that do not update systems risk invoice rejections, integration failures, and operational issues.
- Companies are encouraged to start preparing now by reviewing and updating systems, consulting software providers, and testing before implementation.
Source: fiscal-requirements.com
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