CNPJ Alphanumeric: what changes and how your company can prepare

The Brazilian Federal Revenue Service announced the rollout of the alphanumeric CNPJ, a change that marks a new stage in company identification in Brazil. Starting in July 2026, new registrations may receive a CNPJ composed of letters and numbers, while existing CNPJ numbers will remain valid and unchanged. Although the change may seem simple at first glance, it brings important impacts to records, fiscal systems, and corporate integrations.

For companies operating on SAP, this update deserves special attention. The new format affects areas such as Business Partner, registration validations, issuance and receipt of fiscal documents, and custom routines that assume a strictly numeric CNPJ. In other words, this is not just about expanding a field in the system, but about ensuring the entire operation continues to run with consistency and security.

The main risk lies in processes that depend on automatic validations and integrations between SAP and other systems. If the environment is not ready, errors in registration, document issuance failures, interface inconsistencies, and rework for fiscal and IT teams may occur. That is why early preparation is essential to avoid disruptions in daily operations.

The first step is to map everything that uses CNPJ within the environment, from master data to business rules and external integrations. Then, it is important to review customizations, test flows in a controlled environment, and validate whether fields, masks, and system logic support the new standard. The sooner this analysis begins, the lower the chance of last-minute pressure when new alphanumeric CNPJs start being issued.

Vottax can support your company through this transition with a practical and compliance-driven approach. If your SAP environment needs to be ready for this change, now is the time to act.